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.
<!DOCTYPE html>
<html lang="en">
<head>
<title>Calculator</title>
<script>
function calculate(args)
{
res = document.getElementById("result");
expression = res.innerText;
cmd = args.srcElement.innerText;
if(cmd == "=")
{
expression = "" + eval(expression)
}
else if(cmd == "C")
{
expression=""
}
else if(cmd == "DEL")
{
expression = expression.slice(0, -1);
}
else if(cmd == "√")
{
expression = "" + Math.sqrt(eval(expression));
}
else if(cmd == "%")
{
expression = expression % 1;
}
else if(cmd == "log")
{
expression = Math.log10(expression);
}
else{
expression = expression + cmd;
}
res.innerText = expression;
}
</script>
<style>
.calculator-container {
width: 380px;
background-color:rgb(0, 225, 255);
margin: 0 auto;
margin-top: 230px;
text-align: center;
border: solid black 5px;
color: black;
}
button {
width: 50px;
height: 50px;
margin: 10px;
font-size: 20px;
background-color:rgb(0, 0, 0);
color: white;
border: none;
}
#result {
background-color:cyan;
text-align: right;
padding-right: 50px;
font-size: 20px;
margin-bottom: 20px;
border: solid black 1px;
color: black;
width: 327px;
height: 50px;
display: flex;
align-items: center;
justify-content: flex-end;
}
h1 {
padding-top: 10px;
color:white;
font-size: 50px;
}
.redd {
background-color:rgb(244, 240, 240);
color: black
}
.bluee {
background-color:green;
color: rgb(218, 188, 188);
font-size: 17px;
}
body {
background-color: rgb(247, 240, 240);
}
</style>
</head>
<body>
<div class="calculator-container">
<h2> Sureka E (212221040167)</h2>
<div id="result"></div>
<button onclick="calculate(event);">7</button>
<button onclick="calculate(event);">8</button>
<button onclick="calculate(event);">9</button>
<button class="bluee" onclick="calculate(event);">/</button>
<button class="bluee" onclick="calculate(event);"> DEL </button><br>
<button onclick="calculate(event);">4</button>
<button onclick="calculate(event);">5</button>
<button onclick="calculate(event);">6</button>
<button class="bluee" onclick="calculate(event);">*</button>
<button class="bluee" onclick="calculate(event);">√ </button><br>
<button onclick="calculate(event);">1</button>
<button onclick="calculate(event);">2</button>
<button onclick="calculate(event);">3</button>
<button class="bluee" onclick="calculate(event);">-</button>
<button class="bluee" onclick="calculate(event);">log</button><br>
<button onclick="calculate(event);">0</button>
<button onclick="calculate(event);">.</button>
<button class="redd" onclick="calculate(event);">C</button>
<button class="bluee" onclick="calculate(event);">+</button>
<button class="bluee" onclick="calculate(event);">=</button><br>
</div>
</body>
</html>
The program for designing a standard calculator using HTML and CSS is executed successfully.
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent