Free online calculator for basic math, scientific calculations, and more. Fast, accurate, and easy to use.
Use keyboard or tap buttons • ESC to clear
Perform basic arithmetic operations: addition, subtraction, multiplication, and division
Advanced mathematical functions including trigonometry, logarithms, and exponentials
Solve complex mathematical equations and calculations with precision
Web-based calculator accessible from any device with internet connection
Completely free to use with no registration or download required
Professional calculator tool for students, professionals, and everyday use