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Calculator.html
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Calculator.html
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<!DOCTYPE html>
</html>
<head>
<style>
body{
background-color: #FFB300;
color: red;
}
.CalcuName{
margin-bottom: 10px;
text-align: center;
width: 542px;
font-size: 50px;
}
input[type="button"]{
width:160px;
color: rgb(ff, ff, ff);
font-size:40px;
border-radius: 15px;
border-color:#1ae7ee;
}
input[type="text"]{
text-align: right;
font-size: 40px;
background-color: white;
border-color: black ;
width:100%;
outline: none;
background: none;
border: none;
border-bottom: 2px solid #4CAF50;
}
div.calc{
margin: auto;
width: 50%;
padding: 70px;
}
</style>
<script>
function display(num)
{
document.getElementById("txtbox").value+=num
}
function compute()
{
var problem = document.getElementById("txtbox").value
var solution = eval(problem)
document.getElementById("txtbox").value = solution
}
function txtClear()
{
document.getElementById("txtbox").value = ""
}
function backspace() {
var bsp = document.getElementById("txtbox").value;
document.getElementById("txtbox").value=bsp.substring(0,bsp.length -1);
}
</script>
<title>Calculator</title>
</head>
<body>
<div class="calc">
<div class = "CalcuName" >Calculator</div>
<table>
<tr>
<td colspan="3"><input type="text" id="txtbox"/></td>
<td><input type="button" value="C" onclick="txtClear()"/></td>
</tr>
<tr>
<td><input type="button" value="1" onclick="display('1')"/> </td>
<td><input type="button" value="2" onclick="display('2')"/> </td>
<td><input type="button" value="3" onclick="display('3')"/> </td>
<td><input type="button" value="+" onclick="display('+')"/> </td>
</tr>
<tr>
<td><input type="button" value="4" onclick="display('4')"/> </td>
<td><input type="button" value="5" onclick="display('5')"/> </td>
<td><input type="button" value="6" onclick="display('6')"/> </td>
<td><input type="button" value="-" onclick="display('-')"/> </td>
</tr>
<tr>
<td><input type="button" value="7" onclick="display('7')"/> </td>
<td><input type="button" value="8" onclick="display('8')"/> </td>
<td><input type="button" value="9" onclick="display('9')"/> </td>
<td><input type="button" value="×" onclick="display('*')"/> </td>
</tr>
<tr>
<td><input type="button" value="." onclick="display('.')"/> </td>
<td><input type="button" value="0" onclick="display('0')"/> </td>
<td><input type="button" value="=" onclick="compute()"/> </td>
<td><input type="button" value="÷" onclick="display('/')"/> </td>
</tr>
<tr>
<td><input type="button" id="bsp" value="⌫" onclick="backspace()"/></td>
<td><input type="button" value="00" onclick="display('00')"/> </td>
<td><input type="button" value="000" onclick="display('000')"/> </td>
<td><input type="button" value="❤"/></td>
</tr>
</table>
</div>
</body>
</html>