Trigonometry
sin(θ), cos(θ), tan(θ)
Math
Scientific Calculator
Free online scientific calculator with sin, cos, tan, logarithms, exponents, square roots, and more. Works in degrees and radians.
Calculator
SCIENTIFIC CALCULATOR
Calculate with precision
Use advanced mathematical functions, trigonometry, powers, logarithms, and more.
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Functions
Keypad
Keyboard supported·Enter to calculate·Esc to clear
UNDERSTAND THE MATH
Common scientific functions
Scientific calculators combine everyday arithmetic with functions used across mathematics, science, and engineering.
Logarithms
ln(x), log(x)
Powers & roots
xʸ, √x, x²
EVERYDAY EXAMPLE
Finding the height of a building
Distance = 50 mAngle = 30°Height ≈ 28.87 m
Using the scientific calculator
Use DEG for angles measured in degrees and RAD for angles measured in radians. You can enter expressions with parentheses, powers, roots, logarithms, and trigonometric functions directly from the keypad or your keyboard.