Calculator Dev

Fast, flexible, and free calculators for any purpose.

Available Calculators

Simple Calculator

Basic arithmetic calculator for addition, subtraction, multiplication, and division. Try it →

Scientific Calculator

Advanced calculator with trigonometry, logarithms, exponentials, and complex numbers. Try it →

Expression Calculator

Evaluate custom mathematical expressions with variables and functions. Try it →

Amortized Loan Calculator

Calculate monthly payments and total interest for amortized loans. Try it →