𝗖𝗮𝗹𝗰𝘂𝗹𝗮𝘁𝗼𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗨𝘀𝗶𝗻𝗴 𝗛𝗧𝗠𝗟, 𝗖𝗦𝗦 & 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁!
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>Simple Calculator</title>
<link rel=”stylesheet” href=”styles.css”>
</head>
<body>
<h1>Simple Calculator Project</h1>
<h2 style= “font-size:15px;”>using HTML, CSS, Java Script</h2>
<div class=”calculator”>
<input type=”text” id=”display” readonly>
<div class=”buttons”>
<button onclick=”appendNumber(‘7’)”>7</button>
<button onclick=”appendNumber(‘8’)”>8</button>
<button onclick=”appendNumber(‘9’)”>9</button>
<button class=”green”onclick=”appendOperator(‘+’)”>+</button>
<button onclick=”appendNumber(‘4’)”>4</button>
<button onclick=”appendNumber(‘5’)”>5</button>
<button onclick=”appendNumber(‘6’)”>6</button>
<button class=”green”onclick=”appendOperator(‘-‘)”>-</button>
<button onclick=”appendNumber(‘1’)”>1</button>
<button onclick=”appendNumber(‘2’)”>2</button>
<button onclick=”appendNumber(‘3’)”>3</button>
<button class=”green” onclick=”appendOperator(‘*’)”>*</button>
<button class=”red” onclick=”clearDisplay()”>C</button>
<button class=”green” onclick=”appendNumber(‘0’)”>0</button>
<button class=”green” onclick=”appendOperator(‘/’)”>/</button>
<button class=”green” onclick=”calculate()”>=</button>
</div>
</div>
<script src=”script.js”></script>
</body>
</html>
h1,h2 {
text-align: center;
color: #333; /* Color for the title */
}
.calculator {
width: 200px;
margin: 10px auto;
}
#display {
width: 95%;
margin-bottom: 10px;
font-size: 20px;
padding: 5px;
background: linear-gradient(to right, #0DB1D5, #8FF235); /* Gradient from green to blue */
border: 1px solid #000;
border-radius: 5px;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 5px;
}
button {
padding: 10px;
font-size: 20px;
background: linear-gradient(to right, #0DB1D5, #8FF235); /* Gradient from green to blue */
border: none;
color: white;
text-align: center;
text-decoration: none;
display: inline-block;
margin: 4px 2px;
cursor: pointer;
border-radius: 5px;
}
button:hover {
filter: brightness(90%);
}
let display = document.getElementById(‘display’);
let currentValue = ”;
function appendNumber(number) {
currentValue += number;
display.value = currentValue;
}
function appendOperator(operator) {
currentValue += operator;
display.value = currentValue;
}
function clearDisplay() {
currentValue = ”;
display.value = ”;
}
function calculate() {
try {
currentValue = eval(currentValue);
display.value = currentValue;
} catch (error) {
display.value = ‘Error’;
}
}
