Math & Calculations

Explore tools in Math & Calculations: Percentage Calculator, GPA Calculator, Scientific Calculator. Free browser tools without registration.

Calculate percentages, increases, and decreases instantly.

Calculate your GPA by adding courses and grades.

Advanced scientific calculator with trigonometric, logarithmic, and exponential functions.

Add, subtract, multiply, and divide fractions with automatic simplification.

Solve linear and quadratic equations with step-by-step solutions and graphing.

Plot mathematical functions with derivative, integral, and root finding capabilities.

Matrix operations: addition, subtraction, multiplication, division, determinant, inverse, eigenvalues, and eigenvectors.

Prime number checker, finder, and generator with Sieve of Eratosthenes visualization.

Generate Fibonacci numbers, calculate nth Fibonacci number, and plot golden ratio spiral.

Generate one or many random numbers in a range with optional uniqueness.

Roll up to 20 dice with several side-count options.

Flip a virtual coin and get a fair random result.

Draw any angle from 0 to 360 degrees, customize the ray colors, show the arc and measurement, and download a PNG image.