Full-featured scientific calculator — trig, logs, powers, memory & more. Keyboard supported.
sin, cos, tan with inverse functions. Switch between Degree and Radian mode.
log₁₀, ln, x², x³, xʸ, square root, cube root and nth root.
Store and recall values with MC, MR, M+, M− memory operations.
All calculations saved in the history panel. Click any entry to restore it.
Scientific Calculator is a free, full-featured online calculator that handles standard arithmetic as well as advanced scientific functions including trigonometry, logarithms, powers, roots, factorials, constants and more. All calculations happen instantly in your browser — no server, no lag, no data sent anywhere.
Features: Basic arithmetic • Trigonometric functions (sin, cos, tan and inverses) • Logarithms (log, ln) • Powers and roots • Factorial • Constants (π, e, φ) • Degree/Radian mode • Memory functions (M+, M-, MR, MC) • Calculation history • Keyboard support.