Calculator Code
For Week 5 Presentation
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
</body>
</html> DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>
Calculator using HTML Example
</title>
<link href="https://fonts.googleapis.com/css2?family=Cookie&display=swap" rel="stylesheet">
<!-- CSS property to create interactive
calculator interface -->
<style>
body
{
background-color: pink;
}
.box
{
background-color: #2fba97;
height: 300px;
width: 270px;
border-radius: 10px;
position: relative;
top: 80px;
left: 40%;
}
.display
{
background-color: #222;
width: 220px;
position: relative;
left: 15px;
top: 20px;
height: 40px;
}
.display input
{
position: relative;
left: 2px;
top: 2px;
height: 35px;
color: black;
background-color: #bccd95;
font-size: 21px;
text-align: right;
}
.keys
{
position: relative;
top: 15px;
}
.button
{
width: 40px;
height: 30px;
border: none;
border-radius: 8px;
margin-left: 17px;
cursor: pointer;
border-top: 2px solid transparent;
}
.button.gray
{
color: black;
font-color: black;
background-color: #6f6f6f;
border-bottom: black 2px solid;
border-top: 2px #6f6f6f solid;
}
.title:hover {
color: #fff;
}
.title {
margin-bottom: 10px;
margin-top: 30px;
padding: 5px 0;
font-size: 40px;
font-weight: bold;
text-align: center;
color: black;
font-family: 'Cookie', cursive;
}
.button.pink
{
color: black;
background-color: #ff4561;
border-bottom: black 2px solid;
}
.button.black
{
color: black;
background-color: 303030;
border-bottom: black 2px solid;
border-top: 2px 303030 solid;
font-weight: bold;
}
.button.orange
{
color: black;
background-color: FF9933;
border-bottom: black 2px solid;
border-top: 2px FF9933 solid;
}
.gray:active
{
border-top: black 2px solid;
border-bottom: 2px #6f6f6f solid;
}
.pink:active
{
border-top:black 2px solid;
border-bottom:#ff4561 2px solid;
}
.black:active
{
border-top: black 2px solid;
border-bottom: #303030 2px solid;
}
.orange:active
{
border-top: black 2px solid;
border-bottom: FF9933 2px solid;
}
p
{
line-height: 10px;
}
</style>
</head>
<body>
<div class = "title? align="centre">
Example of Calculator using HTML
</div>
<div class="box">
<div class="display">
<input type="text" readonly size="18" id="d">
</div>
<div class="keys">
<p> <input type="button" class="button gray" value="mrc" onclick='c("Created....................")'>
<input type="button" class="button gray" value="m-" onclick='c("...............by............")'>
<input type="button" class="button gray"
value="m+" onclick='c(".....................Anoop")'>
<input type="button" class="button pink" value="/" onclick='v("/")'> </p>
<p> <input type="button" class="button black" value="7" onclick='v("7")'>
<input type="button" class="button black" value="8" onclick='v("8")'>
<input type="button" class="button black" value="9" onclick='v("9")'>
<input type="button" class="button pink" value="*" onclick='v("*")'> </p>
<p> <input type="button" class="button black" value="4" onclick='v("4")'>
<input type="button" class="button black" value="5" onclick='v("5")'>
<input type="button" class="button black" value="6" onclick='v("6")'>
<input type="button" class="button pink" value="-" onclick='v("-")'> </p>
<p> <input type="button" class="button black" value="1" onclick='v("1")'>
<input type="button" class="button black" value="2" onclick='v("2")'>
<input type="button" class="button black" value="3" onclick='v("3")'>
<input type="button" class="button pink" value="+" onclick='v("+")'> </p>
<p> <input type="button" class="button black" value="0" onclick='v("0")'>
<input type="button" class="button black" value="." onclick='v(".")'>
<input type="button" class="button black" value="C" onclick='c("")'>
<input type="button" class="button orange" value="=" onclick='e()'> </p>
</div>
</div>
</body>
<script>
function c(val)
{
document.getElementById("d").value=val;
}
function v(val)
{document.getElementById("d").value+=val;
}
function e()
{
try
{
c(eval(document.getElementById("d").value))
}
catch(e)
{
c('Error') }
}
</script>
</html>