Online Scientific Calculator

Use a free online scientific calculator for arithmetic, trigonometry, powers, roots, logarithms and percentages.

Online Calculator
About the calculator:
  1. Click the [number keys]/[function keys] on the web calculator to calculate.
  2. You can also use the number keys and symbols such as "+-×÷=,." on your keyboard to calculate.
  3. The "Backspace" key on the keyboard deletes the last input.
  4. The "Enter" key on the keyboard is equivalent to "=", and will calculate directly.
  5. Some function key explanations:
  6. AC: Clears the display area or performs a clear operation.
  7. M+: Adds the number in the display area to the memory and stores the result.
  8. M-: Subtracts the number in the display area from the memory and stores the result.
  9. MR: Displays the memory content.
  10. MC: Clears the memory content.
  11. π, e, n!, % are common scientific calculation symbols.
  12. Deg: Switches to degree mode.
  13. RND: Outputs a random number greater than 0 and less than 1.

ABOUT THIS TOOL

Online Scientific Calculator

The calculator supports common scientific operations, degree and radian modes, memory and reusable results.

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