Oct 29, 2025 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, powers …

This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots.

Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. Includes basic handheld calculator functions for square, square root, percent, sign change, …

The first electronic calculator was invented in the 1960s, but mechanical calculators date back to the 17th century! By 1970, calculators could be built with only a few low-power chips, enabling the …

Our Simple Online Calculator is a free and easy-to-use tool for performing basic arithmetic calculations. With a user-friendly interface and no need for additional software, it's the perfect resource for …

Learn how to use your basic calculator with easy-to-follow instructions. Discover how to input numbers and symbols, perform simple math, and calculate percentages.

Accurate and fast online calculator for basic calculations. Easily perform addition, subtraction, multiplication, division, and more with our user-friendly interface. Perfect for students, professionals, …