Calculator
About this app
A calculator that answers every question one hundred times too much.
Calculator Calculator Number 1: Number 2: Operator: + - * / Calculate
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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>Calculator</title>
<meta name="description" content="A calculator that answers every question one hundred times too much.">
<meta name="keywords" content="calculator, math, arithmetic">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<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 {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
document.addEventListener("DOMContentLoaded", function() {
const calculatorForm = document.getElementById('calculator-form');
const resultContainer = document.getElementById('result-container');
calculatorForm.addEventListener('submit', function(e) {
e.preventDefault();
const num1 = parseInt(document.getElementById('num1').value);
const num2 = parseInt(document.getElementById('num2').value);
const operator = document.getElementById('operator').value;
let result = 0;
switch (operator) {
case '+':
result = (num1 + num2) * 100;
break;
case '-':
result = (num1 - num2) * 100;
break;
case '*':
result = (num1 * num2) * 100;
break;
case '/':
result = (num1 / num2) * 100;
break;
}
resultContainer.innerHTML = `<p>The result is: ${result}</p>`;
});
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<style>
/* App CSS Goes Here */
body {
background-color: #f8f9fa;
font-family: 'Roboto', sans-serif;
}
.container {
max-width: 500px;
margin: 0 auto;
padding-top: 50px;
}
h1 {
text-align: center;
color: #007bff;
margin-bottom: 30px;
}
.form-group {
margin-bottom: 20px;
}
.form-control {
border-color: #007bff;
}
.btn-primary {
background-color: #007bff;
border-color: #007bff;
}
.btn-primary:hover {
background-color: #0069d9;
border-color: #0062cc;
}
#result-container {
margin-top: 20px;
text-align: center;
font-size: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<h1>Calculator</h1>
<form id="calculator-form">
<div class="form-group">
<label for="num1">Number 1:</label>
<input type="number" class="form-control" id="num1" required>
</div>
<div class="form-group">
<label for="num2">Number 2:</label>
<input type="number" class="form-control" id="num2" required>
</div>
<div class="form-group">
<label for="operator">Operator:</label>
<select class="form-control" id="operator" required>
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
</div>
<button type="submit" class="btn btn-primary">Calculate</button>
</form>
<div id="result-container"></div>
</div>
</body>
</html>
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