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86 changes: 31 additions & 55 deletions index.html
Original file line number Diff line number Diff line change
Expand Up @@ -2,79 +2,55 @@
<html lang="en">

<head>

<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale = 1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<title>Calculator</title>

<title>Advanced Calculator</title>
<link type="text/css" href="main.css" rel="stylesheet">

</head>

<body>

<h1>Simple Calculator to Calculate Anything</h1>
<h1>Advanced Calculator</h1>

<div class="container">


<div class="output">

<input maxlength="20" id="display" type="text" name="answer" autofocus>

<input maxlength="25" id="display" type="text" name="answer" placeholder="0" readonly>
</div>

<div class="keyboard">

<button id="CE" onclick="document.getElementById('display').value = display.value.slice(0,-1)">CE</button>

<button id="clear" onclick="document.getElementById('display').value =''">C</button>

<button id="div" onclick="document.getElementById('display').value += '/'">/</button>

<button id="mod" onclick="document.getElementById('display').value += '%'">%</button>
<button id="CE" class="function-btn">CE</button>
<button id="clear" class="function-btn">C</button>
<button id="div" class="operator-btn">/</button>
<button id="mod" class="operator-btn">%</button>

<button id="one" onclick="document.getElementById('display').value +='1'">1</button>

<button id="two" onclick="document.getElementById('display').value +='2'">2</button>

<button id="three" onclick="document.getElementById('display').value +='3'">3</button>

<button id="add" onclick="document.getElementById('display').value +='+'">+</button>


<button id="four" onclick="document.getElementById('display').value +='4'">4</button>

<button id="five" onclick="document.getElementById('display').value +='5'">5</button>

<button id="six" onclick="document.getElementById('display').value +='6'">6</button>

<button id="minus" onclick="document.getElementById('display').value +='-'">-</button>

<button id="seven" onclick="document.getElementById('display').value +='7'">7</button>

<button id="eight" onclick="document.getElementById('display').value +='8'">8</button>

<button id="nine" onclick="document.getElementById('display').value +='9'">9</button>

<button id="multiply" onclick="document.getElementById('display').value +='*'">*</button>
<!-- disableb the button so that the hover effect to be changed for disableb buttons -->
<button disabled class="noHover"></button>

<button id="zero" onclick="document.getElementById('display').value +='0'">0</button>

<button id="power" onclick="document.getElementById('display').value +='**'">^</button>

<button id="equal" type="submit" onclick="calculate(display.value)">=</button>

<button id="one" class="number-btn">1</button>
<button id="two" class="number-btn">2</button>
<button id="three" class="number-btn">3</button>
<button id="add" class="operator-btn">+</button>

<button id="four" class="number-btn">4</button>
<button id="five" class="number-btn">5</button>
<button id="six" class="number-btn">6</button>
<button id="minus" class="operator-btn">-</button>

<button id="seven" class="number-btn">7</button>
<button id="eight" class="number-btn">8</button>
<button id="nine" class="number-btn">9</button>
<button id="multiply" class="operator-btn">*</button>

<button id="decimal" class="number-btn">.</button>
<button id="zero" class="number-btn">0</button>
<button id="power" class="operator-btn">^</button>
<button id="equal" class="equal-btn" type="submit">=</button>
</div>
</div>

<script type="text/javascript" src="script.js">
</script>
<div class="instructions">
<p>💡 Tip: You can use your keyboard! Press ESC to clear.</p>
</div>

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

</html>
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