Scientific Calculator

Scientific calculator features

This free online scientific calculator handles everything from basic arithmetic to advanced functions. Use it for trigonometry (sin, cos, tan), logarithms (log base 10, natural log), exponents, square roots, factorials, and more. You can type expressions directly or use the button interface.

Keyboard support: type numbers and operators directly, press Enter to calculate. The calculation history shows your last 10 results so you can reference previous work.

Common uses

Students use scientific calculators for algebra, trigonometry, and calculus. Professionals use them for engineering, physics, finance, and data analysis. This calculator handles everything a standard TI-30 or Casio fx can do — for free, in your browser, with no downloads required.