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.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

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

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 …

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, …

At Calculator.uk.com, we're dedicated to providing free, easy-to-use online calculators to help with everyday decisions. Whether you're planning your finances, tracking your health, or solving …

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 …

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.

Solve math problems easily with Microsoft Math Solver, a powerful tool for students and educators to enhance learning and understanding.