Scientific Calculator
Free online scientific calculator with sin, cos, tan, logarithms, exponents, square roots, and more. Works in degrees and radians.
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About This Scientific Calculator
This online scientific calculator supports a full range of mathematical functions including trigonometry (sin, cos, tan and their inverses), logarithms (natural ln and base-10 log), exponents, square roots, factorials, and absolute values. Switch between degrees and radians mode using the toggle at the top.
Keyboard Shortcuts
You can type expressions directly using your keyboard. Numbers, operators (+, -, *, /), parentheses, and the decimal point all work. Press Enter to evaluate and Escape to clear.