How to use
- Enter an expression using the keypad or your keyboard.
- Choose DEG, RAD, or GRAD for trigonometric functions.
- Press = or Enter to calculate. Tap a history result to reuse it.
ADVANCED CALCULATIONS
Trigonometry, logarithms, powers, constants, factorials, and more — calculated instantly in your browser.
Keyboard supported · Enter = calculate · Esc = clear · Backspace = delete
No. Calculations are evaluated locally in your browser. History is stored only in this browser's local storage.
sin, cos, tan, inverse trig, log₁₀, natural log, square/cube roots, powers, factorial, percentage, π, e, and parentheses.
Yes. Number keys, operators, parentheses, decimal point, Enter, Escape, and Backspace are supported.