Math & education
Fractions, equations, geometry, grades and study calculators.
5 tools in this category
Roman Numeral Converter
Convert Roman numerals to numbers and back, for values from 1 to 3999. Auto-detects the direction. Runs in your browser.
Math & education
Quadratic Equation Solver
Solve ax² + bx + c = 0 — real or complex roots, discriminant and vertex, with the steps. Runs in your browser.
Math & education
Number Base Converter
Convert whole numbers between binary, octal, decimal and hexadecimal at once. BigInt-precise, in your browser.
Math & education
Prime Number Checker
Check whether a number is prime, with its prime factorisation and the nearest primes. Runs in your browser.
Math & education
GCD and LCM Calculator
Find the greatest common divisor and least common multiple of two or more whole numbers. Runs in your browser.
Math & education