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Free online scientific calculator
Work out everyday sums, percentages and school maths in one place. Trigonometry is in degrees, and the calculator follows the normal order of operations.
Trigonometrysin, cos and tan in degrees
Powers & rootsSquares and square roots
Logarithmslog base 10 and natural ln
KeyboardType numbers, Enter to solve
How to use the calculator
- Tap the keys or type on your keyboard. Press = or Enter for the answer.
- Use brackets to group parts of a sum, for example (3 + 4) × 2.
- % divides the number before it by 100, so 25% becomes 0.25.
- C clears everything and ⌫ removes the last entry.