code

<html>
<head>
<script type="text/javascript">
function solve(){
document.asim.num.value=eval(document.asim.num.value);
}
function sin(){
document.asim.num.value=Math.sin(document.asim.num.value);
}
function cos(){
document.asim.num.value=Math.cos(document.asim.num.value);
}
function tan(){
document.asim.num.value=Math.tan(document.asim.num.value);
}
function sini(){
document.asim.num.value=Math.asin(document.asim.num.value);
}
function cosi(){
document.asim.num.value=Math.acos(document.asim.num.value);
}
function tani(){
document.asim.num.value=Math.atan(document.asim.num.value);
}
function sq(){
document.asim.num.value=eval(document.asim.num.value)*eval(document.asim.num.value);
}
function cub(){
document.asim.num.value=eval(document.asim.num.value)*eval(document.asim.num.value)*eval(document.asim.num.value);
}
function exp(){
document.asim.num.value=Math.exp(document.asim.num.value);
}
function log(){
document.asim.num.value=Math.log(document.asim.num.value);
}
function inv(){
document.asim.num.value=1/(document.asim.num.value);
}
function pi(){
document.asim.num.value=22/7;
}
function sqrt(){
document.asim.num.value=Math.sqrt(document.asim.num.value);
}
</script>
</head>
<body>
<form name="asim"><center>
<table border="2">
<tr><td colspan="4"><input type="text" name="num" size="45"><br></td></tr>
<tr>
<td><input type="button" value="1" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='1'"/></td>
<td><input type="button" value="2" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='2'"/></td>
<td><input type="button" value="3" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='3'"/></td>
<td><input type="button" value="4" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='4'"/></td></tr>
<tr><td><input type="button" value="5" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='5'"/></td>
<td><input type="button" value="6" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='6'"/></td>
<td><input type="button" value="7" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='7'"/></td>
<td><input type="button" value="8" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='8'"/></td></tr>
<tr><td><input type="button" value="9" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='9'"/></td>
<td><input type="button" value="0" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='0'"/></td>
<td><input type="button" value="." style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='.'"/></td>
<td><input type="button" value="+" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='+'"/></td></tr>
<tr><td><input type="button" value="-" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='-'"/></td>
<td><input type="button" value="*" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='*'"/></td>
<td><input type="button" value="/" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='/'"/></td>
<td><input type="button" value="Mod" style="height: 25px; width: 70px" onclick="(document.asim.num.value) +='%'"/></td></tr>
<tr><td><input type="button" value="sqre" style="height: 25px; width: 70px" onclick="sq()"/></td>
<td><input type="button" value="cube" style="height: 25px; width: 70px" onclick="cub()"/></td>
<td><input type="button" value="sqrt" style="height: 25px; width: 70px" onclick="sqrt()"/></td>
<td><input type="button" value="pi" style="height: 25px; width: 70px" onclick="pi()"/></td></tr>
<tr><td><input type="button" value="log" style="height: 25px; width: 70px" onclick="log()"/></td>
<td><input type="button" value="sin" style="height: 25px; width: 70px" onclick="sin()"/></td> 
<td><input type="button" value="cos" style="height: 25px; width: 70px" onclick="cos()"/></td>
<td><input type="button" value="tan" style="height: 25px; width: 70px" onclick="tan()"/></td></tr>
<tr><td><input type="button" value="exp" style="height: 25px; width: 70px" onclick="exp()"/></td>
<td><input type="button" value="asin" style="height: 25px; width: 70px" onclick="sini()"/></td>
<td><input type="button" value="acos" style="height: 25px; width: 70px" onclick="cosi()"/></td>
<td><input type="button" value="atan" style="height: 25px; width: 70px" onclick="tani()"/></td></tr>
<tr><td><input type="button" value="1/x" style="height: 25px; width: 70px" onclick="inv()"/></td>
<td><input type="button" value="C" style="height: 25px; width: 70px" onclick="(document.asim.num.value)=0"/></td>
<td colspan="2"><input type="button" value="=" style="height: 25px; width: 145px" onclick="solve()"/></td><tr>
</table>
</center>
</form>
</body>
</html>
Easy Programming Code

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Friday, July 20, 2012

scientific calculator in javascript.

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