Online calculators for everything. Some solve problems, some satisfy curiosity.

The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations.

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

A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

2025年10月29日 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, …

Use the best online calculator for any math calculations on PC and smartphones. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise …

Your all-in-one online calculator for quick and precise basic to scientific calculations. Easily perform addition, subtraction, multiplication, division, trigonometry, logarithms, and more with …

MyOnlineCalc is a comprehensive free online calculator offering both basic arithmetic and advanced scientific mathematical functions. Perfect for students, professionals, engineers, and …

Our calculator will display the answer instantly, saving you time and effort. Try our Online Calculator now and discover the convenience of quick and accurate calculations anytime you …

The best online calculator for basic arithmetic operations that you can use for your school, work or personal calculations. User-friendly design allows you to easily calculate simple and moderately complex operations.