Free Online Calculator — Basic & Scientific

Free online calculator with a full keypad, keyboard support and calculation history saved locally. Switch to scientific mode for trig, logarithms, powers and memory keys — 100% in your browser, no install.

How it works

  1. 1. Type numbers and operators, or click the keypad.
  2. 2. Press = for the result.
  3. 3. Switch to Scientific for trig, log and memory keys.
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History

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