Calculators
Basic Calculator
A simple, fast calculator with a large display for everyday arithmetic — add, subtract, multiply, divide and percentages.
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How to use
Tap the on-screen keys or use your keyboard. Numbers, +, -, * and / all work, Enter or = gives the result, Backspace deletes the last digit and Escape clears everything. The result stays on screen so you can keep calculating from it.
Keyboard shortcuts
- 0–9 and . — enter numbers and decimals
- + − * / — the four basic operations
- % — convert the current number to a percentage
- Enter or = — calculate the result
- Backspace — delete the last digit; Escape — clear all
Works offline and privately
Because everything runs in your browser, the calculator keeps working with no internet connection and nothing you type is ever sent to a server. Use the +/− key to flip a number's sign, handy for subtracting a running total.
Need something more specific?
For repeat percentage work use the percentage calculator, for loan instalments try the EMI calculator, and for averaging a list of numbers use the average calculator.
Maswali Yanayoulizwa Mara kwa Mara
Yes. You can type numbers and operators directly, press Enter or = to calculate, Backspace to delete and Escape to clear.