Online Calculator
Calculations run in your browserA fast, simple calculator for everyday math. No signup required.
Need trig, logs, or powers? Open scientific calculator →
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How to use this calculator
Tap buttons or use your keyboard to enter numbers and operators. Press = or Enter to calculate. Memory buttons store a value for later (MC clear, MR recall, M+ add, M− subtract).
Keyboard shortcuts
- Enter / = — calculate
- Backspace — delete last digit
- Escape — clear all
- + − × ÷ — operators