Free online scientific calculator with trigonometry, logarithms, powers, roots, constants, memory functions, and keyboard support. Works like a real scientific calculator in your browser.
Last updated: March 2, 2026
Free online scientific calculator with trigonometry, logarithms, powers, roots, constants, memory functions, and keyboard support. Works like a real scientific calculator in your browser. This tool runs in-browser for f…
Yes. This calculator is completely free with no signup required. It runs entirely in your browser with no ads or limitations.
Yes! Use number keys (0-9), operators (+, -, *, /), Enter or = to calculate, Backspace to delete, and Escape to clear.
Yes. Click the DEG/RAD button to toggle between degree and radian mode for trigonometric functions.
Basic arithmetic, trigonometry (sin, cos, tan and inverses), logarithms (log, ln), powers (x², x³), roots (√x, ³√x), factorial (x!), absolute value, constants (π, e), and memory (MC, MR, M+, M−, MS).
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