Math tools
17 free math tools, all running in your browser.
Circle Calculator
Calculate circle radius, diameter, circumference, and area from any one known value. Instant results with adjustable precision.
Cube Root Calculator
Calculate cube root of any number
Decimal & Base Converter
Instantly convert numbers between decimal, binary, hexadecimal, octal, and any custom base from 2 to 36.
Factorial Calculator
Calculate exact factorials for non-negative integers with BigInt precision, digit count, and step-by-step breakdowns.
Fibonacci Sequence Generator
Generate Fibonacci sequence up to N terms with BigInt precision, multiple formats, and stats
GCD / HCF Calculator
Calculate the greatest common divisor (GCD) or highest common factor (HCF) of two or more numbers with step-by-step solutions
LCM Calculator
Find the least common multiple (LCM) of two or more numbers instantly with step-by-step breakdowns.
Logarithm Calculator
Instantly calculate the logarithm of a number to any base, including natural log (ln) and common log (log10).
Number Sequence Detector
Detect patterns in number sequences including arithmetic, geometric, Fibonacci, and more
Percentage of a Number Calculator
Calculate what X% of any number equals, instantly and accurately.
Power & Exponent Calculator
Calculate mathematical powers and modular exponentiation with step-by-step breakdowns.
Prime Factorization Calculator
Instantly break down any number into its prime factors, view exponential forms, and calculate total divisors.
Prime Number Checker
Check if a number is prime, find factors, list primes up to N, find nth prime, and generate primes in range
Quadratic Equation Solver
Solve ax² + bx + c = 0 for real roots
Random Number Generator
Generate random integers or highly precise decimal numbers with custom ranges, sequence batches, and duplicate restraints.
Square Root Calculator
Calculate square and nth roots of any number, with exact simplified radicals and decimal approximations.
Triangle Calculator
Calculate triangle sides, angles, area, perimeter, and altitudes using SSS, SAS, ASA, or SSA criteria with step-by-step mathematical proofs.