Math
Advanced math tools — primes, factorials, GCD, and more
5 tools available
Scientific Calculator
Full-featured scientific calculator with trigonometry, logarithms, exponents, and memory functions
Open ToolPrime Number Checker
Check if any number is prime, find its factors, and discover the nearest prime numbers above and below
Open ToolFactorial Calculator
Calculate factorials, permutations, and combinations for any number with step-by-step computation
Open ToolGCD/LCM Calculator
Find the Greatest Common Divisor and Least Common Multiple of two or more numbers with detailed steps
Open ToolBinary Calculator
Perform addition, subtraction, multiplication, and bitwise operations on binary numbers with decimal conversion
Open ToolAbout Math
iToolz offers 5 free math that run entirely in your browser. No sign-up, no data collection, no limits. Every tool is instant and works on any device — desktop, tablet, or mobile.
Available Tools
- Scientific Calculator — Full-featured scientific calculator with trigonometry, logarithms, exponents, and memory functions
- Prime Number Checker — Check if any number is prime, find its factors, and discover the nearest prime numbers above and below
- Factorial Calculator — Calculate factorials, permutations, and combinations for any number with step-by-step computation
- GCD/LCM Calculator — Find the Greatest Common Divisor and Least Common Multiple of two or more numbers with detailed steps
- Binary Calculator — Perform addition, subtraction, multiplication, and bitwise operations on binary numbers with decimal conversion