Fun Calculator
About this app
A fun and colorful calculator web app.
Fun Calculator 0 1 2 3 + 4 5 6 - 7 8 9 * . 0 = / AC CE
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Put this on your site
Source
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Fun Calculator</title>
<meta name="description" content="A fun and colorful calculator web app.">
<meta name="keywords" content="calculator, web app, colorful, fun">
<link href="https://fonts.googleapis.com/css?family=Source+Code+Pro|Pacifico" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<script type="text/javascript">
try {
var displayVal = '0';
var pendingVal;
var evalStringArray = [];
var displayValElement = document.getElementById('calculator-display');
var btns = document.getElementsByClassName('btn');
for (var i = 0; i < btns.length; i++) {
btns[i].addEventListener('click', updateDisplayVal, false);
}
function updateDisplayVal(e) {
var btnText = e.target.innerText;
if (displayVal === '0')
displayVal = '';
if (btnText === 'AC') {
displayVal = '0';
pendingVal = undefined;
evalStringArray = [];
} else if (btnText === 'CE') {
displayVal = '0';
} else if (btnText === '=') {
evalStringArray.push(displayVal);
var evaluation = eval(evalStringArray.join(' '));
displayVal = evaluation + '';
evalStringArray = [];
} else {
evalStringArray.push(displayVal);
evalStringArray.push(btnText);
displayVal = '';
}
displayValElement.innerText = displayVal;
}
} catch (error) {
throw error;
}
</script>
<style>
body {
background: linear-gradient(to right, #fbc2eb, #a6c1ee);
font-family: 'Pacifico', cursive;
}
#calculator-container {
width: 400px;
height: 600px;
margin: 0 auto;
border-radius: 20px;
background-color: #fff;
box-shadow: 0px 0px 15px 5px rgba(0,0,0,0.7);
}
#calculator-display {
height: 80px;
background-color: #252525;
color: #58fa58;
font-size: 3em;
text-align: right;
padding-right: 20px;
padding-top: 20px;
border-top-left-radius: 20px;
border-top-right-radius: 20px;
font-family: 'Source Code Pro', monospace;
}
.btn {
width: 100px;
height: 80px;
font-size: 2em;
border-radius: 0;
color: #333;
background-color: #f1f1f1;
border: 1px solid #999;
font-family: 'Source Code Pro', monospace;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<div id="calculator-container">
<div id="calculator-display">0</div>
<div id="calculator-buttons">
<button class="btn">1</button>
<button class="btn">2</button>
<button class="btn">3</button>
<button class="btn">+</button>
<button class="btn">4</button>
<button class="btn">5</button>
<button class="btn">6</button>
<button class="btn">-</button>
<button class="btn">7</button>
<button class="btn">8</button>
<button class="btn">9</button>
<button class="btn">*</button>
<button class="btn">.</button>
<button class="btn">0</button>
<button class="btn">=</button>
<button class="btn">/</button>
<button class="btn">AC</button>
<button class="btn">CE</button>
</div>
</div>
</div>
</body>
</html>
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