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Create calculator.html #51

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120 changes: 120 additions & 0 deletions HTML/calculator.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
<meta charset="utf-8">
<title>Simple Calculator using HTML, CSS and JavaScript</title>
<link rel="stylesheet" href="styles.css">
</head>

<body>
<style>
@import url('https://fonts.googleapis.com/css2?family=Orbitron&display=swap');

.calculator {
padding: 10px;
border-radius: 1em;
height: 380px;
width: 400px;
margin: auto;
background-color: #191b28;
box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
}

.display-box {
font-family: 'Orbitron', sans-serif;
background-color: #dcdbe1;
border: solid black 0.5px;
color: black;
border-radius: 5px;
width: 100%;
height: 65%;
}

#btn {
background-color: #fb0066;
}

input[type=button] {
font-family: 'Orbitron', sans-serif;
background-color: #64278f;
color: white;
border: solid black 0.5px;
width: 100%;
border-radius: 5px;
height: 70%;
outline: none;
}

input:active[type=button] {
background: #e5e5e5;
-webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
-moz-box-shadow: inset 0px 0px 5px #c1c1c1;
box-shadow: inset 0px 0px 5px #c1c1c1;
}
</style>
<script>
function clearScreen() {
document.getElementById("result").value = "";
}

// This function displays the values
function display(value) {
document.getElementById("result").value += value;
}

// This function evaluates the expression and returns the result
function calculate() {
var p = document.getElementById("result").value;
var q = eval(p);
document.getElementById("result").value = q;
}
function clearScreen() {
document.getElementById("result").value = "";
}
function display(value) {
document.getElementById("result").value += value;
}
</script>

<table class="calculator" >
<tr>
<td colspan="3"> <input class="display-box" type="text" id="result" disabled /> </td>

<!-- clearScreen() function clears all the values -->
<td> <input type="button" value="C" onclick="clearScreen()" id="btn" /> </td>
</tr>
<tr>
<!-- display() function displays the value of clicked button -->
<td> <input type="button" value="1" onclick="display('1')" /> </td>
<td> <input type="button" value="2" onclick="display('2')" /> </td>
<td> <input type="button" value="3" onclick="display('3')" /> </td>
<td> <input type="button" value="/" onclick="display('/')" /> </td>
</tr>
<tr>
<td> <input type="button" value="4" onclick="display('4')" /> </td>
<td> <input type="button" value="5" onclick="display('5')" /> </td>
<td> <input type="button" value="6" onclick="display('6')" /> </td>
<td> <input type="button" value="-" onclick="display('-')" /> </td>
</tr>
<tr>
<td> <input type="button" value="7" onclick="display('7')" /> </td>
<td> <input type="button" value="8" onclick="display('8')" /> </td>
<td> <input type="button" value="9" onclick="display('9')" /> </td>
<td> <input type="button" value="+" onclick="display('+')" /> </td>
</tr>
<tr>
<td> <input type="button" value="." onclick="display('.')" /> </td>
<td> <input type="button" value="0" onclick="display('0')" /> </td>

<!-- calculate() function evaluates the mathematical expression -->
<td> <input type="button" value="=" onclick="calculate()" id="btn" /> </td>
<td> <input type="button" value="*" onclick="display('*')" /> </td>
</tr>
</table>

<script type="text/javascript" src="script.js"></script>

</body>

</html>