Scientific Calculator Online

Full-featured scientific calculator with trigonometry, logarithms, exponents, memory, and expression history.

 
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History

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How to use

  1. Click buttons or type on your keyboard to build a math expression.
  2. Press = or Enter to evaluate the expression.
  3. View your calculation history in the panel below and click any entry to reload it.

Frequently asked questions

Can I use keyboard shortcuts?

Yes. Type numbers and operators directly on your keyboard. Press Enter to evaluate, Backspace to delete, and Escape to clear.

Does this calculator support trigonometry?

Yes. It supports sin, cos, tan, and their inverse functions (asin, acos, atan). You can switch between degrees and radians mode.

How does memory work?

MC clears memory, MR recalls the stored value, M+ adds the current display to memory, and M- subtracts the current display from memory.

What math functions are available?

Besides basic arithmetic, you get sin, cos, tan, asin, acos, atan, log (base 10), ln (natural log), exp, abs, square root, power, factorial, and modulo.

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