Javascript Calculator

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A simple calculator built using vanilla HTML, CSS and JavaScript.

Controls / Functionality

• Can be controlled using either mouse / touchscreen or by using the keyboard pressing the corresponding keys.

• Decimal point can be inserted using both comma or dot key on the keyboard.

• Backspace deletes last digit.

• By keep pressing the equal operator will recalculate result based on the last operation.

• Last operation will show up above the input box every time any of the operators is selected.

Demo

Contributions

• Feel free to suggest any improvements by creating an issue.

• You can also work on an already open issue and pull request when finished, so I can review the changes and eventually merge them to the base branch.