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 fn(e){
if (e.innerHTML == '=') {
output. value = eval (output.value);
}
else if (e.id == 'back') {
v = output. value;
output. value = v.substring(0, v.length - 1);
}
else if (e. innerHTML == 'C') {
output. value = '';
}
else if (e.id == 'pi')
{
output.value+='3.14'
}
else if(e.id == 'sin')
{
output.value= Math.sin(output.value)
}
else if(e.id == 'cos')
{
output.value= Math.cos(output.value)
}
else if(e.id == 'tan')
{
output.value= Math.tan(output.value)
}
else if(e.id == 'atan')
{
output.value= Math.atan(output.value)
}
else if(e.id == 'asin')
{
output.value= Math.asin(output.value)
}
else if(e.id == 'acos')
{
output.value= Math.acos(output.value)
}
else if(e.id == 'h')
{
output.value= '6.62607015*(10**(-34))'
}
else {
output.value += e.innerHTML;
}
}
</script>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/font/bootstrap-icons.min.css">
</head>
<body>
<div class="bg-dark row mx-auto text-center" style="width: 24rem;border-radius: 15px;" >
<div class="bg-dark mx-auto text-center text-white" style="width: 24rem;">SOWMYA BADONI (212223230011)</div>
<div class="col-12 my-4"><input type="text" name="" id="output" style="width: 100%;height: 50px;border-radius: 25px;background-color: azure;"></div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)" >(</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">)</div>
<div class="m-3 col-2 btn btn-danger rounded-4" onclick="fn(this)">C</div>
<div class="m-3 col-2 btn btn-danger rounded-4" onclick="fn(this)" id="back"><i class="bi bi-backspace"></i></div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="sin">sin</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="cos">cos</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="tan">tan</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="pi"> ฯ</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="asin">sin<sup>-1</sup></div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="acos">cos<sup>-1</sup></div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="atan">tan<sup>-1</sup></div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this) " style="background-color: brown;" id="h">h</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">7</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">8</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">9</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">*</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">4</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">5</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">6</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">-</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">1</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">2</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">3</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">+</div>
<div class="m-3 col-2 btn btn-success rounded-4" onclick="fn(this)">0</div>
<div class="m-3 col-2 btn btn-success rounded-4" btn-success onclick="fn(this)">.</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">%</div>
<div class="m-3 col-2 btn btn-primary rounded-4" onclick="fn(this)">/</div>
<div class="m-3 col-11 btn btn-warning rounded-4" onclick="fn(this)" style="background-color:darkslategray;border-color:black ;color: white">=</div>
</div>
</body>
</html>
The program for designing a standard calculator using HTML and CSS is executed successfully.
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