Simple Calculator
About this app
A fun and colorful web app for performing basic arithmetic using Simple Calculator.
CHAANGU CALCULATOR CHAANGU CALCULATOR 7 8 9 / 4 5 6 * 1 2 3 - 0 C = +
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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>CHAANGU CALCULATOR</title>
<meta name="description" content="A fun and colorful web app for performing basic arithmetic using CHAANGU CALCULATOR.">
<meta name="keywords" content="calculator, CHAANGU, simple calculator, arithmetic, math, web app">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.6.0/css/fontawesome.min.css" crossorigin="anonymous">
<script type="text/javascript">
try {
document.addEventListener("DOMContentLoaded", function() {
let input = document.getElementById('input');
let answer = "";
document.querySelectorAll('.btn').forEach(button => {
button.addEventListener('click', function() {
const value = this.getAttribute('data-value');
if(value === '=') {
try {
answer = eval(answer);
input.value = answer;
} catch (e) {
input.value = "Error";
}
} else if (value === 'C') {
answer = "";
input.value = "";
} else {
answer += value;
input.value = answer;
}
});
});
});
} catch (error) {
throw error;
}
</script>
<style>
body {
background: linear-gradient(to right, #f6d365, #fda085);
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
font-family: 'Comic Sans MS', cursive, sans-serif;
}
#calculator {
background: white;
border-radius: 10px;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
width: 320px;
padding: 20px;
}
.display {
width: 100%;
text-align: right;
font-size: 2em;
border: none;
outline: none;
padding: 10px;
margin-bottom: 10px;
border-radius: 5px;
background-color: #ffecb3;
}
.btn {
width: 70px;
height: 70px;
font-size: 1.5em;
margin: 5px 1px;
border-radius: 5px;
border: none;
color: white;
background-color: #ff5722;
transition: background-color 0.3s;
}
.btn:hover {
background-color: #e64a19;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<div id="calculator" class="text-center">
<h1>CHAANGU CALCULATOR</h1>
<input type="text" id="input" class="display" disabled>
<div class="buttons">
<div>
<button class="btn" data-value="7">7</button>
<button class="btn" data-value="8">8</button>
<button class="btn" data-value="9">9</button>
<button class="btn" data-value="/">/</button>
</div>
<div>
<button class="btn" data-value="4">4</button>
<button class="btn" data-value="5">5</button>
<button class="btn" data-value="6">6</button>
<button class="btn" data-value="*">*</button>
</div>
<div>
<button class="btn" data-value="1">1</button>
<button class="btn" data-value="2">2</button>
<button class="btn" data-value="3">3</button>
<button class="btn" data-value="-">-</button>
</div>
<div>
<button class="btn" data-value="0">0</button>
<button class="btn" data-value="C">C</button>
<button class="btn" data-value="=">=</button>
<button class="btn" data-value="+">+</button>
</div>
</div>
</div>
</div>
</body>
</html>
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