0
History
No calculations yet
Full-featured scientific calculator with history and keyboard support
No calculations yet
This free online scientific calculator supports all standard arithmetic operations plus advanced functions including trigonometry (sin, cos, tan and their inverses), logarithms (log base-10 and natural log), square root, exponentiation, factorial, and absolute value.
Toggle between Degree and Radian mode for trigonometric calculations. Use your keyboard to type numbers and operators directly. Click any history entry to restore that calculation.
Keyboard shortcuts: Numbers 0-9, operators +, -, *, /, Enter (=), Backspace (delete), Escape (clear).