Калькулятор на JS

Код:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=windows-1251">
<TITLE>Калькулятор</TITLE>
<style type="text/css">
<!--
#calc4chem {
	position: relative;
	top: 15px;
	width: 529px;
	height: 377px;
 	margin: auto;
	border: 3px outset;
	background: #e4e4e4;
	text-align: center;
	color: #eee;
}

#kalkulator {
 position: absolute;
 top: 3px;
 left: 3px;
 width: 257px;
 height: 365px;
 border: 0px ridge #f00;
 background: #e4e4e4;
 color: #fff;
}

#biljeska {
 position: absolute;
 top: 3px;
 left: 267px;
 width: 256px;
 height: 365px;
 border: 0px ridge #999;
 background: #e4e4e4;
 color: #fff;
}

#konstante  {
 position: absolute;
 top: 13px;
 left: 275px;
 width: 245px;
 height: 350px;
 border: 1px ridge #999;
 background: #fff;
 color: #fff;
 display: none;
 /*visibility: hidden;    visible hidden */
 text-align: center;
 overflow: auto;
}

#numformat {
 position: absolute;
 top: 138px;
 left: 3px;
 width: 245px;
 height: 225px;
 border: 1px ridge #999;
 display: none;
 background: #e4e4e4;
 color: #fff;
}

.constnaslov {
	width: 200px;
	color: #00f;
	text-align: center;
	font: normal 12px/125% sans-serif;
	margin: 5px;
	padding-bottom: 5px;
	border-bottom: 1px #cacaba solid;
}
.const {
	width: 200px;
	text-align: center;
	font: 11px/125% sans-serif;
	margin: 5px;
	padding-bottom: 5px;
	border-bottom: 1px #cacaba solid;
}
.const a:link {
	display: block;
	color: #900;
	text-decoration: none;
}
.const a:visited {
	display: block;
	color: #036;
	text-decoration: none;
}
.const a:active {
	display: block;
	color: #900;
	text-decoration: none;
}
.const a:hover {
	display: block;
	background: #eaeafa;
	color: #900;
	text-decoration: none;
}


.crta {
 position: absolute;
 top: 0px;
 left: 262px;
 width: 2px;
 height: 372px;
 border: 2px inset;
 background: #fff;  /* groove ridge */
 color: #fff;
}

.tipkovnica {
 position: absolute;
 top: 138px;
 left: 5px;
 width: 245px;
 height: 228px;
 background: #e4e4e4;
}

.displej {
 position: absolute;
 top: 10px;
 left: 6px;
 width: 240px;
 height: 82px;
 border: 2px ridge #eee;
 background: #eee;
}

#numauto, #numsci, #numfix, #nummem, #numrad, #numdeg, #numgrad {
 position: absolute;
 margin-top: 2px;
 width: 26px;
 height: 10px;
 font: normal 9px sans-serif;
 color: #ccc;
 display: inline;
 border: 0px solid #e00;
 background: #eee;
}

#numauto {
left: 5px;
color: #000;
}
#numsci {
left: 37px;
}
#numfix {
left: 62px;
}
#nummem {
left: 107px;
}
#numrad {
left: 154px;
color: #000;
}
#numdeg {
left: 180px;
}
#numgrad {
left: 205px;
}

.upit {
 position: absolute;
 top: 27px;
 left: 6px;
 width: 225px;
 height: 25px;
 border: 0px;
 background: #eee;
 text-align: left;
 font: normal 9pt sans-serif;
 letter-spacing: 1px;
 color: #0a0;
}

.rezultat {
 position: absolute;
 top: 52px;
 left: 6px;
 width: 225px;
 height: 25px;
 border: 0px;
 background: #eee;
 text-align: right;
 font: bold 12pt sans-serif;
 letter-spacing: 1px;
 color: #00a;
}

.formatbr {
 position: absolute;
 top: 35px;
 left: 12px;
 width: 220px;
 height: 95px;
 border: 1px solid #cdcdcd;
 background: #e8e8e8;
}
.formatnaslov {
 position: relative;
 margin-top: 5px;
 font: normal 12pt cursive;
 text-align: center;
}

.automatik, .scienc, .fiksed   {
 position: absolute;
 left: 6px;
 font: normal 10pt sans-serif;
}
.automatik {top: 10px;}
.scienc {top: 38px;}
.fiksed {top: 66px;}

.decnaslov {
 position: absolute;
 top: 10px;
 left: 110px;
 width: 110px;
 text-align: center;
 font: normal 10pt sans-serif;
 color: #000;
 border: 0px solid #cdcdcd;
}
.decimal {
 position: absolute;
 top: 32px;
 left: 136px;
 width: 60px;
 height: 22px;
}
.separator {
 position: absolute;
 top: 70px;
 left: 65px;
 width: 150px;
 text-align: right;
 font: normal 10pt sans-serif;
 color: #000;
 border: 0px solid #cdcdcd;
 }

.rad {
 position: absolute;
 top: 140px;
 left: 12px;
 width: 220px;
 height: 21px;
 border: 1px solid #cdcdcd;
 background: #e8e8e8;
}

.deg {
 position: relative;
 margin: 4px;
 top: -1px;
 font: normal 10pt sans-serif;
}

.cls {
 position: absolute;
 top: 103px;
 left: 217px;
 width: 30px;
 height: 22px;
 color: #f00;
 display: none;
}

.zadatak {
 position: absolute;
 top: 98px;
 left: 6px;
 width: 240px;
 height: 28px;
 border: 2px groove #eee;
 background: #fff;
}

.unos {
 position: absolute;
 top: 1px;
 left: 4px;
 width: 228px;
 height: 23px;
 border: 0px;
 font: bold 10pt cursive;
 color: #060;
}


.tekstarea {
 position: absolute;
 top: 10px;
 left: 8px;
 width: 238px;
 height: 317px;
 padding: 0px 0px 0px 5px;
 border: 2px groove #ccc;
 background: #fff;  /*plavo*/
 font: normal 9pt/150% monospace;
 color: #345678;
 overflow: auto;
}

.n1, .n2, .n3, .n4  {
 position: absolute;
 top: 340px;
 height: 24px;
 width: 80px;
 font: normal 9pt sans-serif;
 color: #000;
 }

.n1   {
 left: 8px;
}
.n2   {
 left: 91px;
}
.n3   {
 left: 174px;
}
.n4   {
 top: 174px;
 left: 85px;
}
.n2copy   {
 position: absolute;
 left: 0px;
 top: 206px;
 width: 242px;
 color: #aaa;
 font: normal 9pt sans-serif;
 text-align: center;
}

.b11, .b12, .b13, .b14, .b15, .b16, .b21, .b22, .b23, .b24, .b25, .b26, .b31, .b32, .b33, .b34, .b35, .b36 {
 position: absolute;
 height: 25px;
 width: 40px;
 padding: 0px;
 color: #000;
 font: normal 10pt monospace;
 }

.b41, .b42, .b43, .b44, .b45, .b46, .b51, .b52, .b53, .b54, .b55, .b56, .b61, .b62, .b63, .b64, .b65, .b66, .b71, .b72, .b73, .b74, .b75, .b76 {
 position: absolute;
 height: 35px;
 width: 40px;
 padding: 0px;
 color: #000;
}

.b55, .b75   {
 position: absolute;
 height: 35px;
 width: 81px;
 font: normal 10pt sans-serif;
 color: #000;
 }

.b75   {
 position: absolute;
 height: 35px;
 width: 81px;
 font: normal 15pt sans-serif;
 color: #050;
 }

.b45, .b46 {
 font: normal 10pt sans-serif;
 color: #a00;
 }

 .b34 {
 font: normal 10pt sans-serif;
 }

.b44, .b54, .b74 {
 font: bold 13pt sans-serif;
 color: #00f;
 }
.b64 {
 font: normal 15pt serif;
 color: #00f;
 }

.b41, .b42, .b43, .b51, .b52, .b53, .b61, .b62, .b63, .b71, .b72 {
 font: normal 12pt cursive;
 color: #575;
 }

.b11, .b12, .b13, .b14, .b15, .b16 {
top: 0px;
}

.b21, .b22, .b23, .b24, .b25, .b26 {
top: 26px;
}

.b31, .b32, .b33, .b34, .b35, .b36 {
top: 52px;
}

.b41, .b42, .b43, .b44, .b45, .b46  {
top: 85px;
}

.b51, .b52, .b53, .b54, .b55, .b56  {
top: 121px;
}

.b61, .b62, .b63, .b64, .b65, .b66  {
top: 156px;
}

.b71, .b72, .b73, .b74, .b75, .b76  {
top: 192px;
}


.b11, .b21, .b31, .b41, .b51, .b61, .b71 {
left: 0px
}

.b12, .b22, .b32, .b42, .b52, .b62, .b72 {
left: 41px
}

.b13, .b23, .b33, .b43, .b53, .b63, .b73 {
left: 82px
}

.b14, .b24, .b34, .b44, .b54, .b64, .b74 {
left: 123px
}

.b15, .b25, .b35, .b45, .b55, .b65, .b75 {
left: 164px
}

.b16, .b26, .b36, .b46, .b56, .b66, .b76 {
left: 205px
}
-->
</style>
<script type="text/javascript">
<!--
var EniG = "  www.03www.su";
var que = "";
var ans = 0;
var mem = 0;
var broj = "0";
var tocka = 0;
var eksp = 0;
var baza = "";
var eksponent = 3;
var rjesenje = 0;
var decimala = 14;
var asf = 0;
var rdg = 0;
var sep1000 = 0;
var enter = "";
var mr = "";
var pi = 3.141592653589793;
var e = 2.71828182845905;
var abc = "";

//window.onerror = handleError;

function start(){
	enter = "\r\n";
	mr = document.racunalo.memorija.value;
	document.racunalo.notes.value =  enter + EniG + enter;
	var dan = new Date();
	document.racunalo.notes.value += "    " + dan.toLocaleString() + enter + enter;
	document.racunalo.zadatak.focus();
}

function handleError() {
	//alert("YOU HAVE ENCOUNTERED A JAVASCRIPT ERROR");
	document.racunalo.notes.value += " = Syntax Error\r\n";
	document.racunalo.rezultat.value = "Syntax Error";
 	document.racunalo.zadatak.focus();
	return true;
}

function memory(operator) {

	switch(operator) {
	case 1:    // MS
    memorija = document.racunalo.rezultat.value;
    memorija = memorija.replace(/ /g,'');
    document.racunalo.memorija.value = memorija;
    document.racunalo.MR.title = mr + " (" + memorija + ")";
    mem = parseFloat(memorija);
    stanje = (document.getElementById('nummem').style.color == '#000') ? '#ccc' : '#000';
    document.getElementById('nummem').style.color = stanje;
    break;
	case 2:	// MR
    var memorija = document.racunalo.memorija.value;
    if (memorija==0 || slovo(memorija.charAt(0))) {memorija = ""}
    document.racunalo.zadatak.value += memorija;
    break;
	case 3:	// CLS
    if (document.racunalo.zadatak.value == "") {document.racunalo.rezultat.value = "";}
    else {document.racunalo.zadatak.value = "";	}
    break;
	case 4:	// Mode
    vidi('numformat');
    break;
	case 5:	// Reset
    document.racunalo.notes.value = enter + EniG + enter;
    document.racunalo.memorija.value = "";
    document.racunalo.MR.title = mr;
    decimala = 14;
    asf = 0;
    rdg = 0;
    sep1000 = 0;
    mem = 0;
    ans = 0;
    document.getElementById('numauto').style.color = '#000';
    document.getElementById('numsci').style.color = '#ccc';
    document.getElementById('numfix').style.color = '#ccc';
    document.getElementById('nummem').style.color = '#ccc';
    document.getElementById('numrad').style.color = '#000';
    document.getElementById('numdeg').style.color = '#ccc';
    document.getElementById('numgrad').style.color = '#ccc';
    break;
	}

	document.racunalo.zadatak.focus();
}

function dodajBroj(noviznak) {
	document.racunalo.zadatak.focus();
	document.racunalo.zadatak.value += noviznak
}


function dodajConst(noviznak) {
	document.racunalo.zadatak.focus();
	document.racunalo.zadatak.value += noviznak;

	vidi('konstante')
}


function izracunaj(zarez) {
	var pitanje = "";
	var odgovor = "";
	var mem = 0;
	//onerror = handleError;

	if (zarez >= 1) {
    if (document.racunalo.zadatak.value == "") {
    	broj = document.racunalo.rezultat.value;
    }
    else {
	    	broj = document.racunalo.zadatak.value;
    	if (ubacirezultat(broj.charAt(0))) {
        broj = document.racunalo.rezultat.value + broj;
    	}
    }
	}

	for (var i=0; i<broj.length; i++) {
    var mm = broj.charAt(i);
    var mmup = broj.charAt(i+1);
    var mmdn = broj.charAt(i-1);

    if (mm == ",") {mm = ".";}
    else if (mm == "}" || mm == "]") {mm = ")";}
    else if (mm == "{" || mm == "[") {mm = "(";}
    else if (mm == " " || mm == "=") {mm = "";}
    else if (mm == "*" && mmup == "*") {mm = "^"; i += 1;}
    else if (mm == "+" && mmup == "-") {mm = "-"; i += 1;}
    else if (mm == "E" && kemilimat(mmup)) {mm = "e";}

    if (mm == "." && BrojAtoma(mmdn)==false) {mm = "0.";}
    else if (velikoslovo(mm)) {var kem = 1;}

    if (pitanje == "0") {
    	if (operator(mm)) {}
    	else if (mm != ".") {pitanje = "";}
    }
    //if (i == 0) {
    //	if (mm == "0" && mmup == "0") {mm = "";}
    //}

    pitanje += mm;
	}

	if (zarez == 1) {
    document.racunalo.notes.value += pitanje;
    document.racunalo.upit.value = pitanje;
    if (kem == 1) {
    	//var atom = "+" + pitanje;
    	odgovor = masa(pitanje);
    }
    else {
    	odgovor = zagrada(pitanje);
    }
	}
	else {
    odgovor = matematika(zarez, pitanje)
	}

	odgovor = odgovor.toString();
	document.racunalo.oldrezultat.value = odgovor;
	ans = parseFloat(odgovor);

	izgledbroja(odgovor);

	document.racunalo.zadatak.value = "";
 	document.racunalo.zadatak.focus();
}


function matematika(zarez, rjesenje) {
var pitanje = "";
 with (Math) {
	if (zarez == 2) {
    pitanje = rjesenje + "^2";
    rjesenje = pow(rjesenje, 2)
	}
	else if (zarez == 3) {
    pitanje = rjesenje + "^(1/2)";
    rjesenje = sqrt(rjesenje)
	}
	else if (zarez == 4) {
    pitanje = rjesenje + "*(-1)";
    rjesenje = -rjesenje
	}
	else if (zarez == 5) {
    pitanje = "ln(" + rjesenje + ")";
    rjesenje = log(rjesenje)
	}
	else if (zarez == 6) {
    pitanje = "e^" + rjesenje;
    rjesenje = pow(E, rjesenje)
	}
	else if (zarez == 7) {
    pitanje = "1/" + rjesenje;
    rjesenje = 1/rjesenje
	}
	else if (zarez == 8) {
    pitanje = "log(" + rjesenje + ")";
    rjesenje = log(rjesenje)/LN10
	}
	else if (zarez == 9) {
    pitanje = "10^" + rjesenje;
    rjesenje = pow(10, rjesenje)
	}
	else if (zarez >= 10 && zarez <= 12) {
    if (zarez == 10) {
    	pitanje = "atan(" + rjesenje + ")";
    	rjesenje = atan(rjesenje)
    }
    else if (zarez == 11) {
    	pitanje = "acos(" + rjesenje + ")";
    	rjesenje = acos(rjesenje)
    }
    else if (zarez == 12) {
    	pitanje = "asin(" + rjesenje + ")";
    	rjesenje = asin(rjesenje)
    }

    if (document.racunalo.stupnjevi[1].checked) {rjesenje = (rjesenje * 180) / PI}
    else if (document.racunalo.stupnjevi[2].checked) {rjesenje = (rjesenje * 200) / PI}
	}
	else if (zarez >= 14 && zarez <= 16) {
    if (document.racunalo.stupnjevi[1].checked)
    	{radijani = (rjesenje / 180) * PI}
    else if (document.racunalo.stupnjevi[2].checked)
    	{radijani = (rjesenje / 200) * PI}
    else
    	{radijani = rjesenje}

    if (zarez == 14) {
    	pitanje = "tan(" + rjesenje + ")";
    	rjesenje = tan(radijani)
    }
    else if (zarez == 15) {
    	pitanje = "cos(" + rjesenje + ")";
    	rjesenje = cos(radijani)
    }
    else if (zarez == 16) {
    	pitanje = "sin(" + rjesenje + ")";
    	rjesenje = sin(radijani)
    }
	}
	else if (zarez == 17) {
    pitanje = rjesenje + "%";
    rjesenje = rjesenje/100
	}
	else if (zarez == 18) {
    pitanje = rjesenje + "ppm";
    rjesenje = rjesenje/1000000
	}
	else if (zarez == 20) {
    pitanje = rjesenje + "!";
    rjesenje = factorial(rjesenje)
	}
	else if (zarez == 21) {
    eksponent = prompt("Unesite eksponent / Please enter exponent", 3);
    pitanje = rjesenje + "^" + eksponent;
    rjesenje = pow(rjesenje, eksponent)
	}
	else if (zarez == 22) {
    eksponent = prompt("Unesite korijen / Please enter root", 3);
    document.racunalo.notes.value += rjesenje + "^(1/" + eksponent + ")";
    rjesenje = pow(rjesenje, (1/eksponent))
	}
 }
	document.racunalo.notes.value += pitanje;
	document.racunalo.upit.value = pitanje;
	return rjesenje;
}

function zagrada(xbroj) {
    var intZagClose = 0
    var intZagOpen = 0
	var intXbroj = 0
	var strNoviXbroj = ""
	var strNoviZbroj = "";

	do {
//document.racunalo.notes.value += enter + "intXbroj = " + intXbroj;    	2+(2*(2+4)+3)^3+5
    xbroj = xbroj.replace(/--/g,"-1*-");
    intZagClose = xbroj.indexOf(")");
    if (intZagClose != -1) {
    	for (var i = intZagClose; i >= 0; i--) {
        if (xbroj.charAt(i)=="(") {
        	intZagOpen = i;
        	strNoviZbroj = xbroj.substring(intZagOpen+1,intZagClose);
        	break;
        }
    	}
    }
    else {
    	strNoviZbroj = xbroj;
    }

    strNoviZbroj = strNoviZbroj + "*1";
    strNoviZbroj = postotak(strNoviZbroj);
    strNoviZbroj = trigonometrija(strNoviZbroj);
    strNoviZbroj = logaritam(strNoviZbroj);
    strNoviZbroj = potencija(strNoviZbroj);
    strNoviZbroj = racun(strNoviZbroj);

    if (intZagClose != -1) {
    	xbroj = xbroj.replace(xbroj.substring(intZagOpen, intZagClose+1), strNoviZbroj);
    }
    else {
    	xbroj = strNoviZbroj;
    }
	}
	while (intZagClose > 0)

	return xbroj;
}


function racun(zbroj) {
	with (Math) {zbroj = eval(zbroj);}
	return zbroj;
}


function potencija(ulaz) {
    var intZagClose = 0
    var intZagOpen = 0;

	var intXbroj = ulaz.indexOf("^");  //2+2^3+2,15^2+4

	while (intXbroj > 0) {
    for (var i = intXbroj - 1; i >= 0; i--) {
    	if (operator(ulaz.charAt(i)) && ulaz.charAt(i-1)!="e") {
        //if (i > 0 && operator(ulaz.charAt(i-1))) {
        intZagOpen = i+1;
        break;
    	}
    }

    if (ulaz.charAt(i) == "-"){
    	if (i == 0) {intZagOpen = 0;}
    	else if (i > 0 && operator(ulaz.charAt(i-1))) {intZagOpen = i;}
    }

    var strNoviXbroj = ulaz.substring(intZagOpen,intXbroj);

    for (var i = intXbroj + 2; i < ulaz.length; i++) {
    	if (operator(ulaz.charAt(i)) && ulaz.charAt(i-1)!="e") {intZagClose = i-1; break}
    }
    var strNoviYbroj = ulaz.substring(intXbroj+1,intZagClose+1);
 if (strNoviXbroj == 'e') {strNoviXbroj = e}; //cps
    with (Math) {
    	intXbroj = pow(strNoviXbroj, strNoviYbroj);
    }
    //if (i != 0 && ulaz.charAt(i-1)) {}  // za negativne brojeve -3^2 = -9 ili 9

    ulaz = ulaz.replace(ulaz.substring(intZagOpen, intZagClose+1), intXbroj);

    intXbroj = ulaz.indexOf("^");
	}

	return ulaz;
}


function postotak(ulaz) {
    var intZagClose = 0;
    var intZagOpen = 0;

	var strDesnoFun = new Array ("!", "%");

	for (var f = 0; f < 2; f++) {
    var intXbroj = ulaz.indexOf(strDesnoFun[f]);

    while (intXbroj > 0) {
    	for (var i = intXbroj - 1; i >= 0; i--) {
        if (operator(ulaz.charAt(i)) && ulaz.charAt(i-1)!="e") {intZagOpen = i+1; break}
    	}
    	var strNoviXbroj = ulaz.substring(intZagOpen,intXbroj);
    	intZagClose = intXbroj+1;
    	with (Math) {
        if (f == 0) {
        	intXbroj = factorial(strNoviXbroj);
        }
        else {
        	intXbroj = strNoviXbroj/100;
        }
    	}
    	ulaz = ulaz.replace(ulaz.substring(intZagOpen, intZagClose), intXbroj);
    	intXbroj = ulaz.indexOf(strDesnoFun[f]);
    }
	}

	return ulaz;
}


function trigonometrija(kut) {
    var intZagClose = 0
	var intKut = 0
	var strNoviKut = ""
	var strKrozPi = ")"
	var strPiKroz = ")";

	switch(rdg) {
	case 1:
    strKrozPi = ")*180/pi";
    strPiKroz = "*pi/180)";
    break;
	case 2:
    strKrozPi = ")*200/pi";
    strPiKroz = "*pi/200)";
    break;
	default:
    strKrozPi = ")";
    strPiKroz = ")";
	}

	var strTrigFun = new Array ("sin", "cos", "tan");

	for (var f = 0; f < 3; f++) {
    intKut = kut.indexOf(strTrigFun[f]);

    if (intKut >= 0) {
    	do {
//document.racunalo.notes.value += enter + intKut + enter;    	cos(2*(3+5)+3*(2+4))+1                        2+(2*(2+cos(4))+3)+(3^3+5)*4
        intZagClose = kut.length;
        for (var i = intKut+4; i < intZagClose; i++) {

        	if (operator(kut.charAt(i)) && kut.charAt(i-1)!="e") {
            intZagClose = i;
            strNoviKut = kut.substring(intKut+3, intZagClose);
            break;
        	}
        }

        if (intKut>0 && kut.charAt(intKut-1)=="a") {
        	intKut = intKut - 1;
        	strNoviKut = "a" + strTrigFun[f] + "(" + strNoviKut + strKrozPi;
        }
        else {
        	strNoviKut = strTrigFun[f] + "(" + strNoviKut + strPiKroz;
        }

        strNoviKut = racun(strNoviKut);
        strNoviKut = Math.round(strNoviKut * Math.pow(10,14)) / Math.pow(10,14);

        kut = kut.replace(kut.substring(intKut, intZagClose), strNoviKut);

        intKut = kut.indexOf(strTrigFun[f]);

    	}
    	while (intKut != -1);
    }
	}

	return kut;
}


function logaritam(kut) {
    var intZagClose = 0
	var intKut = 0
	var strNoviKut = ""
	var strKrozPi = ")"
	var strPiKroz = ")";
// var e = 2.71828182845905

	var strLogFun = new Array ("ln", "log");

	for (var f = 0; f < 2; f++) {
    intKut = kut.indexOf(strLogFun[f]);

    if (intKut >= 0) {
    	do {
        intZagClose = kut.length;
        for (var i = intKut; i < intZagClose; i++) {

        	if (operator(kut.charAt(i)) && kut.charAt(i-1)!="e") {
            intZagClose = i;
            strNoviKut = kut.substring(intKut+strLogFun[f].length, intZagClose);
            break;
        	}
        }

        if (f == 0) {
        	if (intKut>0 && kut.charAt(intKut-1)=="a") {
            intKut = intKut - 1;
            strNoviKut = "pow(E," + strNoviKut + ")";
        	}
        	else {
            strNoviKut = "log(" + strNoviKut + ")";
        	}
        }
        else {
        	if (intKut>0 && kut.charAt(intKut-1)=="a") {
            intKut = intKut - 1;
            strNoviKut = "pow(10," + strNoviKut + ")";
        	}
        	else {
            strNoviKut = "log(" + strNoviKut + ")/LN10";
        	}
        }

        strNoviKut = racun(strNoviKut);

        kut = kut.replace(kut.substring(intKut, intZagClose), strNoviKut);
        intKut = kut.indexOf(strLogFun[f]);

    	}
    	while (intKut != -1);
    }
	}

	return kut;
}


function izazareza(novibroj) {
 with (Math) {

	if (eksp == -1) {
    var duzina = tocka;
    if (duzina == -1) {duzina = novibroj.length}
    var desni = "";

    if (duzina > 16) {
    	var privremeni = round(novibroj*pow(10, 16)) + " ";
    	var novie = privremeni.indexOf("e");
    	var lijevi = (privremeni.substring(0,novie));

    	lijevi = round(lijevi*pow(10, 15))/pow(10, 15) + " ";
    	desni = (privremeni.substring(novie+2,privremeni.length-1));
    	desni = "e+" + (desni-18);
    }
    else {
    	var lijevi = round(novibroj*pow(10, decimala))/pow(10, decimala) + " ";
    }
	}
	else {
    var lijevi = novibroj.substring(0,eksp);
    var desni = novibroj.substring(eksp,novibroj.length);

    lijevi = round(lijevi*pow(10, decimala))/pow(10, decimala) + " ";
	}

	lijevi = lijevi.substring(0,lijevi.length - 1);

	if (lijevi.charAt(0) == ".") {lijevi = "0" + lijevi;}

	if (decimala < 14) {
    if (lijevi.indexOf(".") == -1 && decimala != 0) {lijevi += "."}
    var nula = (tocka + decimala) - (lijevi.length - 1);
    if (nula > 0 && decimala > 0) {
    	for (var n = 0; n < nula; n++) {
        lijevi += "0";
    	}
    }
	}

	return (lijevi + desni);
 }
}


function factorial(n) {
	if ((n == 0) || (n == 1)) {
    return 1;
	}
	else {
    var odgovor = (n * factorial(n-1));
    return odgovor;
	}
}


function masa(atom) {
 with (Math) {
 	var atominfo = false;
	var mm="";
	var mmdn="";
	var mmup="";
	var znak="";
	var izraz="";
	var Pi=pi;
	var H=1.0079;
	var He=4.0026;
	var Li=6.941;
	var Be=9.0122;
	var B=10.811;
	var C=12.011;
	var N=14.007;
	var O=15.999;
	var F=18.998;
	var Ne=20.18;
	var Na=22.99;
	var Mg=24.305;
	var Al=26.982;
	var Si=28.086;
	var P=30.974;
	var S=32.065;
	var Cl=35.453;
	var Ar=39.948;
	var K=39.098;
	var Ca=40.078;
	var Sc=44.956;
	var Ti=47.867;
	var V=50.942;
	var Cr=51.996;
	var Mn=54.938;
	var Fe=55.845;
	var Co=58.933;
	var Ni=58.693;
	var Cu=63.546;
	var Zn=65.409;
	var Ga=69.723;
	var Ge=72.64;
	var As=74.922;
	var Se=78.96;
	var Br=79.904;
	var Kr=83.798;
	var Rb=85.468;
	var Sr=87.62;
	var Y=88.906;
	var Zr=91.224;
	var Nb=92.906;
	var Mo=95.94;
	var Tc=98;
	var Ru=101.07;
	var Rh=102.91;
	var Pd=106.42;
	var Ag=107.87;
	var Cd=112.41;
	var In=114.82;
	var Sn=118.71;
	var Sb=121.76;
	var Te=127.6;
	var I=126.9;
	var Xe=131.29;
	var Cs=132.91;
	var Ba=137.33;
	var La=138.91;
	var Ce=140.12;
	var Pr=140.91;
	var Nd=144.24;
	var Pm=145;
	var Sm=150.36;
	var Eu=151.96;
	var Gd=157.25;
	var Tb=158.93;
	var Dy=162.5;
	var Ho=164.93;
	var Er=167.26;
	var Tm=168.93;
	var Yb=173.04;
	var Lu=174.97;
	var Hf=178.49;
	var Ta=180.95;
	var W=183.84;
	var Re=186.21;
	var Os=190.23;
	var Ir=192.22;
	var Pt=195.08;
	var Au=196.97;
	var Hg=200.59;
	var Tl=204.38;
	var Pb=207.2;
	var Bi=208.98;
	var Po=209;
	var At=210;
	var Rn=222;
	var Fr=223;
	var Ra=226;
	var Ac=227;
	var Th=232.04;
	var Pa=231.04;
	var U=238.03;
	var Np=237;
	var Pu=244;
	var Am=243;
	var Cm=247;
	var Bk=247;
	var Cf=251;
	var Es=252;
	var Fm=257;
	var Md=258;
	var No=259;
	var Lr=262;
	var Rf=267;
	var Db=268;
	var Sg=271;
	var Bh=272;
	var Hs=277;
	var Mt=276;
	var Ds=281;
	var Rg=280;

	for (var i=0; i<atom.length; i++) {
    mm = atom.charAt(i);
    mmup = atom.charAt(i+1);
    bigup = mm.toUpperCase();
    mmdn = atom.charAt(i-1);

    if (mm == "[") {mm = "("}
    else if (mm == "]") {mm = ")"}
    else if (mm == ",") {mm = "."}

    if (slovo(mm)) {atominfo = true}
    if (matoperator(mm)) {atominfo = false; znak=""}
    if (atominfo) {
    	if (matoperator(mmup)) {znak=")"}
    	if (matoperator(mmdn)) {izraz += "(" + mm + znak}
    	else if (mmdn=="(") {izraz += mm + znak}
    	else if (mmdn=="[") {izraz += mm + znak}
    	else if (slovo(mm)) {izraz += "+" + mm + znak}
    	else if (BrojAtoma(mmdn)) {izraz += mm + znak}
    	else if (BrojAtoma(mm)) {izraz += "*" + mm + znak}
    	else {izraz += mm + znak}
    }
    else {izraz += mm}
	}
	odgovor = eval(izraz);
	return odgovor;
 }
}


function slovo(znak) {
	var slovo="(ABCDEFGHIKLMNOPRSTUVWXYZ";
	for (var i=0; i<slovo.length; i++)
    if (znak == slovo.charAt(i)) {return true} {return false}
}

function velikoslovo(znak) {
	var slovo="ABCDEFGHIKLMNOPRSTUVWXYZ";
	for (var i=0; i<slovo.length; i++)
    if (znak == slovo.charAt(i)) {return true} {return false}
}

function maloslovo(znak) {
	var slovo="abcdefghiklmnoprstuvwxyz";
	for (var i=0; i<slovo.length; i++)
    if (znak == slovo.charAt(i)) {return true} {return false}
}

function matoperator(znak) {
	var matoperator="*/+-";
	for (var i=0; i<matoperator.length; i++)
    if (znak == matoperator.charAt(i)) {return true}
    if (znak == "") {return true}
    if (znak == null) {return true}
	return false
}

function operator(znak) {
	var matoperator="^*/+-";
	if (matoperator.indexOf(znak) >= 0) {return true} {return false}
}

function ubacirezultat(znak) {
	var ubacirezultat="^*/+";
	for (var i=0; i<ubacirezultat.length; i++)
    if (znak == ubacirezultat.charAt(i)) {return true}
	return false
}

function BrojAtoma(znak) {
	var atom = "1234567890";
	for (var i=0; i<atom.length; i++)
    if (znak == atom.charAt(i)) {return true} {return false}
}

function kemilimat(znak) {
	var atom = "rsu";
	if (atom.indexOf(znak) == -1) {return true} {return false}
}


function numformat(x){
	var kut = new Array("auto", "sci", "fix");
	decimala = x;
	var broj = document.racunalo.oldrezultat.value;

	if (decimala < 13) {
    document.racunalo.notes.value += "[" + kut[asf] + decimala + "]";
	}
	else {
    decimala = 14;
    document.racunalo.notes.value += "[" + kut[asf] + "]";
	}

	if (broj != "0" && broj != "") {
    izgledbroja(broj)
	}
	else {
    document.racunalo.notes.value += enter;
	}
	document.racunalo.zadatak.focus();
}


function scifix(x) {
	var kut = new Array("numauto", "numsci", "numfix");

	document.getElementById(kut[asf]).style.color = '#ccc';

	asf = x;
	var broj = document.racunalo.oldrezultat.value;
	switch(x) {
	case 1:
    document.getElementById('numsci').style.color = '#000';
    if (decimala == 14) {
    	document.racunalo.notes.value += "[sci]";
    }
    else {
    	document.racunalo.notes.value += "[sci" + decimala + "]";
    }
    break;
	case 2:
    document.getElementById('numfix').style.color = '#000';
    document.racunalo.izaZareza.options[2].selected = true;
    if (decimala == 14) {
    	decimala = 2;
    	document.racunalo.notes.value += "[fix2]";
    }
    else {
    	document.racunalo.notes.value += "[fix" + decimala + "]";
    }
    break;
	default:
    document.getElementById('numauto').style.color = '#000';
    document.racunalo.izaZareza.options[14].selected = true;
    document.racunalo.notes.value += "[auto]";
    decimala = 14;
	}

	if (broj != "0" && broj != "") {izgledbroja(broj)}
	document.racunalo.zadatak.focus();
}


function raddeg(x) {
	var kut = new Array("numrad", "numdeg", "numgrad");

	document.getElementById(kut[rdg]).style.color = "#ccc";
	rdg = x;
	document.getElementById(kut[x]).style.color = "#000";
	document.racunalo.zadatak.focus();
}

function seplk() {
	var broj = document.racunalo.oldrezultat.value;
	if (document.getElementById('seplk').checked) {
    document.getElementById('seplk').checked = false;
    sep1000 = 0;
	}
	else {
    document.getElementById('seplk').checked = true;
    sep1000 = 1;
	}
	if (broj.length > 3) {izgledbroja(broj)}
}


function izgledbroja(broj) {
	var nule = "000000000000000";
	var minus = "";
	if (broj.charAt(0) == "-") {minus = "-";}

	if (asf == 2) {
    if (Math.eval(broj+"*"+minus+"1-1e-"+decimala) < 0) {broj = "0"}
	}

	var eplace = broj.indexOf("e");

	if (eplace > 0) {
    var x = broj.substring(0, eplace);
    var y = broj.substring(eplace);
	}
	else if (asf == 1) {
    var x = parseFloat(broj) * 1E50;
    broj = x.toString();
    eplace = broj.indexOf("e");
    x = broj.substring(0, eplace);
    var y = broj.substring(eplace+1);

    y = parseInt(y) - 50;
    y = "e" + y;
	}
	else {
    var x = broj;
    var y = "";
	}

	var oplace = broj.indexOf(".");
	broj = parseInt(x);
	if (oplace == -1) {x = "0";} {x = "0" + x.substring(oplace);}
	x = parseFloat(x);

	with (Math) {
    x = round(x * pow(10,decimala)) / pow(10,decimala);
    broj = abs(broj) + x;
	}

	x = broj.toString();

	oplace = x.indexOf(".");
//document.racunalo.notes.value += enter + "oplace_1 = " + oplace;
	if (oplace == 0) {
    broj = "0" + x + nule.substring(0, decimala);
	}
	else if (oplace > 0) {
    x = x.concat(nule);
    broj = x.substring(0, oplace);
    broj += x.substring(oplace, oplace+decimala+1);
	}
	else {
    broj = x + "." + nule.substring(0, decimala);
	}

	if (decimala == 14) {broj = parseFloat(broj)}
	broj = minus.concat(broj, y);


//PROBA   POCETAK
	if (sep1000) {
//document.racunalo.notes.value += enter + "separator_1 = " + broj;
    var rezultat = "";
    var strexp = "";

    oplace = broj.indexOf('.');
    //if (oplace == -1) {oplace = 0;}
    eplace = broj.indexOf('e');
    if (eplace == -1) {eplace = broj.length;} {strexp = broj.substring(eplace);}

    var tri = 0;
    for (var i=oplace+1; i<eplace; i++) {
    	tri += 1;
    	if (tri == 3) {
        rezultat += broj.charAt(i) + " ";
        tri = 0;
    	}
    	else {
        rezultat += broj.charAt(i);
    	}
    }
    rezultat += strexp
//document.racunalo.notes.value += enter + "separator_2 = " + rezultat;
    if (oplace > -1) {
    	rezultat = "." + rezultat;
    	tri = 0;
    	for (var i=oplace-1; i>=0; i--) {
        if (tri == 3) {
        	rezultat = broj.charAt(i) + " " + rezultat;
        	tri = 0;
        }
        else {
        	rezultat = broj.charAt(i) + rezultat;
        }
        tri += 1;
    	}
    }
    rezultat = rezultat.replace("- ", "-");
    broj = rezultat;
//document.racunalo.notes.value += enter + "separator_3 = " + rezultat;
	}
//PROBA   KRAJ

	document.racunalo.rezultat.value = broj;
	document.racunalo.notes.value += " = " + broj + enter;

	return broj;
}


function zaokruzi_new(ebroj) {
// max 16 decimala
//var n=16;
var x=ebroj.toExponential(decimala);
document.racunalo.notes.value += enter + "toExponential = " + x + enter;
var x=ebroj.toPrecision(decimala);
document.racunalo.notes.value += "toPrecision = " + x + enter;
var x=ebroj.toFixed(decimala);
document.racunalo.notes.value += "toFixed = " + x + enter;

	document.racunalo.rezultat.value = x;
	document.racunalo.notes.value += " = " + x + enter;
}


function vidi(me) {
	//if (document.getElementById) {
    stanje = (document.getElementById(me).style.display == 'block') ? 'none' : 'block';
    document.getElementById(me).style.display = stanje;
    //document.getElementById(me).style.visibility = stanje
	//}
}

//Eni Generalic, Split, Create: 1999/10/14; Update: 2008/03/01
// Copyright © 2008 by EniG.


// Multiple onload function created by: Simon Willison
// http://simonwillison.net/2004/May/26/addLoadEvent/
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(start);


// -->
</script>



</head>

<body>
<h1 style="text-align:center;font: bold 24px Arial,sans-serif; color:#FFCC66;;text-shadow: 1px 1px 2px #000;behavior: url(byn.htc);}">
<script type="text/javascript">
document.write(document.title)
</script></h1>
<div id="calc4chem">
<form action="2011-8-22.html" name="racunalo">
<input type="hidden" name="oldrezultat" value="">
<input type="hidden" name="memorija" value="Memory recall">
<div id="kalkulator">
<div class="displej">
<input type="text" name="numauto" value="AUTO" id="numauto" onfocus="ascifix[0].click()">
<input type="text" name="numsci" value="SCI" id="numsci" onfocus="ascifix[1].click()">
<input type="text" name="numfix" value="FIX" id="numfix" onfocus="ascifix[2].click()">
<input type="text" name="nummem" value="MEM" id="nummem" onfocus="MS.click()">
<input type="text" name="numrad" value="RAD" id="numrad" onfocus="stupnjevi[0].click()">
<input type="text" name="numdeg" value="DEG" id="numdeg" onfocus="stupnjevi[1].click()">
<input type="text" name="numgrad" value="GRAD" id="numgrad" onfocus="stupnjevi[2].click()">

<input type="text" name="upit" value="Problem" onClick="this.select()" class="upit">
<input type="text" name="rezultat" value="Solution" onClick="this.select()" class="rezultat">
</div>

<div class="zadatak">
<input type="text" name="zadatak" value="" onKeyDown="if (event.keyCode==13) {enter.click()}" class="unos">
</div>

<input type="button" name="cls" value="Cls" title="Clear" onClick="memory(3)" class="cls">
<div class="tipkovnica">

<input type="button" name="sqrt" value="√¯" title="Square root" onClick="izracunaj(3)" class="b11">
<input type="button" name="root" value="y√¯x" title="Root" onClick="izracunaj(22)" class="b12">
<input type="button" name="ln" value="ln" title="Natural logarithm" onClick="izracunaj(5)" class="b13">
<input type="button" name="log" value="log" title="Common logarithm" onClick="izracunaj(8)" class="b14">
<input type="button" name="tan" value="tan" title="Tangent" onClick="izracunaj(14)" class="b15">
<input type="button" name="atan" value="atan" title="Arc tangent" onClick="izracunaj(10)" class="b16">

<input type="button" name="kvadrat" value="x²" title="Square" onClick="izracunaj(2)" class="b21">
<input type="button" name="potencija" value="x^y" title="Power" onClick="izracunaj(21)" class="b22">
<input type="button" name="aln" value="e^x" title="Natural antilogarithm" onClick="izracunaj(6)" class="b23">
<input type="button" name="alog" value="10^x" title="Common antilogarithm" onClick="izracunaj(9)" class="b24">
<input type="button" name="cos" value="cos" title="Cosine" onClick="izracunaj(15)" class="b25">
<input type="button" name="acos" value="acos" title="Arc cosine" onClick="izracunaj(11)" class="b26">

<input type="button" name="sign" value="+/-" title="Sign change" onClick="izracunaj(4)" class="b31">
<input type="button" name="1/x" value="1/x" title="Reciprocal" onClick="izracunaj(7)" class="b32">
<input type="button" name="fact" value="x!" title="Factorial" onClick="izracunaj(20)" class="b33">
<input type="button" name="postotak" value="%" title="Percent" onClick="izracunaj(17)" class="b34">
<input type="button" name="sin" value="sin" title="Sine" onClick="izracunaj(16)" class="b35">
<input type="button" name="asin" value="asin" title="Arc sine" onClick="izracunaj(12)" class="b36">

<input type="button" name="7" value="7" title="Seven" onClick="dodajBroj(7)" class="b41">
<input type="button" name="8" value="8" title="Eight" onClick="dodajBroj(8)" class="b42">
<input type="button" name="9" value="9" title="Nine" onClick="dodajBroj(9)" class="b43">
<input type="button" name="djeljeno" value="÷" title="Division" onClick="dodajBroj('/')" class="b44">
<input type="button" name="MS" value="MS" title="Memory store" onClick="memory(1)" class="b45">
<input type="button" name="MR" value="MR" title="Memory recall" onClick="memory(2)" class="b46">

<input type="button" name="4" value="4" title="Four" onClick="dodajBroj(4)" class="b51">
<input type="button" name="5" value="5" title="Five" onClick="dodajBroj(5)" class="b52">
<input type="button" name="6" value="6" title="Six" onClick="dodajBroj(6)" class="b53">

<input type="button" name="puta" value="×" title="Multiplication" onClick="dodajBroj('*')" class="b54">
<input type="button" name="con" value="Constants" title="Physical Constants" onClick="vidi('konstante'); return false;" class="b55">

<input type="button" name="1" value="1" title="One" onClick="dodajBroj(1)" class="b61">
<input type="button" name="2" value="2" title="Two" onClick="dodajBroj(2)" class="b62">
<input type="button" name="3" value="3" title="Three" onClick="dodajBroj(3)" class="b63">
<input type="button" name="minus" value="-" title="Subtraction" onClick="dodajBroj('-')" class="b64">
<input type="button" name="lijevo" value="(" title="Parentheses" onClick="dodajBroj('(')" class="b65">
<input type="button" name="desno" value=")" title="Parentheses" onClick="dodajBroj(')')" class="b66">

<input type="button" name="0" value="0" title="Zero" onClick="dodajBroj(0)" class="b71">
<input type="button" name="." value="." title="Decimal point" onClick="dodajBroj('.')" class="b72">
<input type="button" name="exp" value="exp" title="Exponent" onClick="dodajBroj('e')" class="b73">
<input type="button" name="plus" value="+" title="Addition" onClick="dodajBroj('+')" class="b74">
<input type="button" name="enter" value="=" title="Calculate" onClick="izracunaj(1)" class="b75">

</div>   <!-- END  tipkovnica -->

<div id="numformat">
<p class="formatnaslov">Number formats</p>
<div class="formatbr">

<div class="automatik">
<input type="radio" name="ascifix" checked title="Automatic" onClick="scifix(0)">
<a href="javascript:document.racunalo.ascifix[0].click()" onMouseOver="self.status='Automatic'; return true">Auto</a>
</div>
<div class="scienc">
<input type="radio" name="ascifix" title="Scientific notation" onClick="scifix(1)">
<a href="javascript:document.racunalo.ascifix[1].click()" onMouseOver="self.status='Scientific notation'; return true">Sci</a>
</div>
<div class="fiksed">

<input type="radio" name="ascifix" title="Fixed number of decimal places" onClick="scifix(2)">
<a href="javascript:document.racunalo.ascifix[2].click()" onMouseOver="self.status='Fixed number of decimal places'; return true">Fix</a>
</div>
<div class="decnaslov">Decimals</div>
<select name="izaZareza" SIZE="1" onChange="numformat(this.selectedIndex)" class="decimal">
<option value="0"> 0 </option>
<option value="1"> 1 </option>
<option value="2"> 2 </option>
<option value="3"> 3 </option>

<option value="4"> 4 </option>
<option value="5"> 5 </option>
<option value="6"> 6 </option>
<option value="7"> 7 </option>
<option value="8"> 8 </option>
<option value="9"> 9 </option>

<option value="10"> 10 </option>
<option value="11"> 11 </option>
<option value="12"> 12 </option>
<option value="13"> ---- </option>
<option value="14" selected> auto </option>
</select>
<div class="separator">

<a href="javascript:seplk()" onMouseOver="self.status='Separator tisu?ica'; return true">1000 separator </a>
<input type="checkbox" id="seplk" onClick="seplk()">
</div>
</div>
<div class="rad">
<input type="radio" name="stupnjevi" checked title="Radians" onClick="raddeg(0)">
<span class="deg">
<a href="javascript:document.racunalo.stupnjevi[0].click()" onMouseOver="self.status='Radians'; return true">Rad </a>
</span>
<input type="radio" name="stupnjevi" title="Degrees" onClick="raddeg(1)">
<span class="deg">
<a href="javascript:document.racunalo.stupnjevi[1].click()" onMouseOver="self.status='Degrees'; return true">Deg </a>

</span>
<input type="radio" name="stupnjevi" title="Grads" onClick="raddeg(2)">
<span class="deg">
<a href="javascript:document.racunalo.stupnjevi[2].click()" onMouseOver="self.status='Grads'; return true">Grad</a>
</span>
</div>
<input type="button" name="close" value="Close" title="Close Form" onClick="memory(4)" class="n4">
</div>
</div>   
<div id="biljeska">
<textarea name="notes" class="tekstarea">
Бриллиантовые JavaScripts

Меню навигации

Пользовательские ссылки

Информация о пользователе

Калькулятор на JS

Сообщений 1 страница 2 из 2

Поделиться12011-11-20 18:58:05

Поделиться22011-11-20 19:00:02
