To design a web application for a standard calculator with minimum five operations.
Clone the github repository and create Django admin interface.
Change settings.py file to allow request from all hosts.
Use CSS for creating attractive colors.
Write JavaScript program for implementing five different operations.
Validate the HTML and CSS code.
Publish the website in the given URL.
calc.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Calculator</title>
<link rel="stylesheet" type="text/css" href="calc.css">
</head>
<body>
<h1>nafeez kamal S</h1>
<div class="calculator">
<input type="text" id="display" readonly>
<input type="button" value="7" onclick="addToDisplay('7')">
<input type="button" value="8" onclick="addToDisplay('8')">
<input type="button" value="9" onclick="addToDisplay('9')">
<input type="button" value="/" onclick="addToDisplay('/')">
<input type="button" value="4" onclick="addToDisplay('4')">
<input type="button" value="5" onclick="addToDisplay('5')">
<input type="button" value="6" onclick="addToDisplay('6')">
<input type="button" value="*" onclick="addToDisplay('*')">
<input type="button" value="1" onclick="addToDisplay('1')">
<input type="button" value="2" onclick="addToDisplay('2')">
<input type="button" value="3" onclick="addToDisplay('3')">
<input type="button" value="-" onclick="addToDisplay('-')">
<input type="button" value="0" onclick="addToDisplay('0')">
<input type="button" value="." onclick="addToDisplay('.')">
<input type="button" value="=" onclick="calculate()">
<input type="button" value="+" onclick="addToDisplay('+')">
<input type="button" value="C" onclick="clearDisplay()">
</div>
<script src="calc.js"></script>
</body>
</html>
calc.css
.calculator {
width: 220px;
margin: 0 auto;
border: none;
border-radius: 15px;
padding: 10px;
background-color: #fe0404;
display: grid;
grid-template-columns: repeat(4, 50px);
grid-gap: 5px;
}
input[type="button"] {
width: 50px;
padding: 10px;
font-size: 18px;
border: none;
border-radius: 15px;
cursor: pointer;
background-color: #646867;
color: white;
}
input[type="text"] {
grid-column: span 4;
padding: 10px;
font-size: 18px;
border: 1px solid #0b0b0b;
border-radius: 15px;
}
calc.js
function addToDisplay(value) {
document.getElementById('display').value += value;
}
function calculate() {
var expression = document.getElementById('display').value;
var result = eval(expression);
document.getElementById('display').value = result;
}
function clearDisplay() {
document.getElementById('display').value = '';
}
The program for designing a standard calculator using HTML and CSS is executed successfully.
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