Scientific Calculator
A full scientific calculator with trigonometric functions, logarithms, powers, roots, factorials, and memory storage.
A scientific calculator handles the full range of mathematical operations students and professionals need beyond basic arithmetic: trigonometric functions, logarithms, exponents, roots, and factorials. This one runs entirely in your browser, has no ads cluttering the interface, and works on any device.
Angles are in degrees by default (shown as DEG). Trigonometric functions in degrees: sin(90°) = 1, cos(0°) = 1, tan(45°) = 1. In radians mode: sin(π/2) = 1. Toggle with the DEG button.
Key functions explained
sin, cos, tan: trigonometric functions. Input angle, get ratio. log: base-10 logarithm. log(100) = 2. ln: natural logarithm (base e). ln(e) = 1. √: square root. x²: squares the current value. xʸ: raises x to the power y — enter x, press xʸ, enter y, press =. n!: factorial. 5! = 120. 1/x: reciprocal. %: percentage. π: inserts 3.14159... e: inserts 2.71828... Memory: MS stores, MR recalls, MC clears.
Frequently asked questions
How do I calculate sin(30°)?
Make sure DEG mode is active (shown in display). Enter 30, press sin. Result: 0.5.
How do I use the power function?
Enter the base number, press xʸ, enter the exponent, press =. To calculate 2^10: press 2, xʸ, 10, =. Result: 1024.