Using html, CSS
Preview of project
, Html source code
<!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>Simple-Calculator</title>
<link rel="stylesheet" href="calculator.css">
</head>
<body>
<div class="container">
<div class="calculator">
<div class="name">Calculator</div>
<form>
<div class="display">
<input type="text" name="display">
</div>
<div>
<input type="button" value="AC" onclick="display.value =''" class="operator">
<input type="button" value="DE" onclick="display.value = display.value.toString().slice(0,-1)" class="operator">
<input type="button" value="." onclick="display.value +='.'" class="operator">
<input type="button" value="/" onclick="display.value +='/'" class="operator">
</div>
<div>
<input type="button" value="(" onclick="display.value +=''" class="operator">
<input type="button" value=")" onclick="display.value +=')'" class="operator">
<input type="button" value="[" onclick="display.value +='['" class="operator">
<input type="button" value="]" onclick="display.value +=']'" class="operator">
</div>