Calculator HTML
<body>
<div class="calculator">
<div class="display-container">
<button class="history" title="Clear History">⟲</button>
<div class="previous-operation" id="previousOperation"></div>
<input type="text" class="display" id="display" placeholder="0" readonly>
</div>
<div class="buttons">
<button class="btn btn-function" data-action="clear-all">C</button>
<button class="btn btn-function" data-action="clear-entry">CE</button>
<button class="btn btn-function" data-action="backspace">⌫</button>
<button class="btn btn-operator" data-operator="÷">÷</button>
<button class="btn btn-number" data-number="7">7</button>
<button class="btn btn-number" data-number="8">8</button>
<button class="btn btn-number" data-number="9">9</button>
<button class="btn btn-operator" data-operator="×">×</button>
<button class="btn btn-number" data-number="4">4</button>
<button class="btn btn-number" data-number="5">5</button>
<button class="btn btn-number" data-number="6">6</button>
<button class="btn btn-operator" data-operator="-">-</button>
<button class="btn btn-number" data-number="1">1</button>
<button class="btn btn-number" data-number="2">2</button>
<button class="btn btn-number" data-number="3">3</button>
<button class="btn btn-operator" data-operator="+">+</button>
<button class="btn btn-number btn-zero" data-number="0">0</button>
<button class="btn btn-number" data-number=".">.</button>
<button class="btn btn-equals" data-action="calculate">=</button>
</div>
</div>
</body>
Public Last updated: 2026-08-25 08:34:27 AM