All Tools

Calculate mean, median, mode, standard deviation, variance, and more from any dataset with step-by-step solutions.

Plot math functions on an interactive coordinate plane. Graph polynomials, trig, and exponentials with zoom, pan, live coordinates, and PNG export.

Add, subtract, multiply, transpose, invert, and find the determinant or power of matrices up to 10×10, with decimal or exact fraction results.

Calculate area, perimeter, volume, and surface area for 2D and 3D shapes. Supports circles, rectangles, triangles, cubes, spheres, cylinders, and more.

Convert a fraction to a decimal or percent and back. Results simplify automatically and show as mixed numbers when above one.

Find the greatest common divisor (GCD/HCF) and least common multiple (LCM) of two or more numbers, with prime factorization, factors, and step-by-step solutions.

Check if numbers are prime, factorize into prime factors, generate prime lists, and find primes in any range.

Calculate exponents, nth roots, and powers of 2 instantly. Quick presets, a powers-of-2 reference table, options, and saved calculation history.

Convert numbers to and from scientific notation. Auto-detects the direction and shows superscript, standard, E-notation, and caret formats with adjustable precision.

Convert numbers between Binary, Octal, Decimal, and Hexadecimal at once. Built for programmers, students, and anyone working across number systems.

Convert any number to words instantly. Spells out decimals, negative numbers, and check amounts, with a currency mode and 52 languages.

Convert between Roman numerals and Arabic numbers instantly with auto-detection. Single conversion, batch processing, and range generation from 1 to 3999.