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Scientific Calculator

Free online scientific calculator with trigonometry, logarithms, exponents, roots, factorials, and more. Switch between basic and scientific modes.

Keyboard shortcuts enabled

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Keyboard shortcuts

0-9, .Enter numbers

+ - * /Operators

( )Parentheses

^Power / exponent

Enter or =Calculate result

EscapeClear all

BackspaceDelete last character

Angle modes

DEG (Degrees)

A full circle is 360 degrees. Most everyday angle measurements use degrees. sin(90) = 1 in degree mode.

RAD (Radians)

A full circle is 2π radians (≈ 6.28318). Used in calculus, physics, and engineering. sin(π/2) = 1 in radian mode.

Common constants

πPi

3.14159 26535...

eEuler's number

2.71828 18284...

√2Square root of 2

1.41421 35623...

√3Square root of 3

1.73205 08075...

ln(2)Natural log of 2

0.69314 71805...

log(2)Log base 10 of 2

0.30102 99957...