About the Basic Calculator
Sometimes you just need to add up a receipt or work out a percentage without digging your phone out of your pocket. This is a straightforward on-screen calculator for everyday arithmetic, built to respond to your keyboard as readily as your mouse so it stays out of your way.
Things you can do here
- •Add, subtract, multiply, divide — the four basic operations, chained together however you like.
- •Percent and sign toggle — convert the current value to a percentage or flip it positive/negative.
- •Backspace & clear — correct a typo without starting the whole calculation over.
- •Full keyboard support — type digits and operators, press Enter for the result, and Escape to clear.
How to use the Basic Calculator
- Enter numbers and operators with the buttons or keyboard.
- Use parentheses when grouping operations.
- Check the displayed result before applying it to important work.
Example:
(125 * 1.08) + 10Basic Calculator FAQ
Can I use the keyboard?
Yes. The calculator is designed to support common number, operator, Enter, and clear-key workflows.