Online Calculator — Fast, Free & Keyboard-Friendly

How to use

1. Tap or type — buttons or your keyboard (0-9, + − * /, ., Enter = equals).
2. Use %, √ and ± for percent, square root and sign toggle; M+/M−/MR store a value.
3. Check the tape — the last calculations are listed below; press Esc to start fresh.

About this tool

A clean online calculator that opens instantly and does the basics right: arithmetic with correct order (chain evaluation as you type), percent, square root, sign toggle, backspace and a running tape of your last calculations. It supports full keyboard input (digits, operators, Enter for =, Backspace, Esc to clear) so on desktop you never touch the mouse. Privacy & offline: everything is computed on your device — no data leaves the browser, and the page keeps working without internet. Honest scope: this is a basic/percent calculator — for finance use our dedicated EMI, paycheck, age, BMI and percentage tools which handle formulas, taxes and dates properly.

FAQ

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