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.

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 …

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 our user …

Use our free simple calculator for basic math — addition, subtraction, multiplication, and division. Fast and easy to use, no download required.

Our online calculator performs all the basic arithmetic operations — addition, subtraction, multiplication, and division — instantly. It also supports percentages, parentheses, exponents, and constants like π …

The calculator provides detailed step-by-step solutions, aiding in understanding the underlying concepts. How to Use an Algebra Calculator Enter Your Problem: Type in your equation, expression, or system …

This basic online calculator is similar to a small handheld calculator and has the standard four functions for addition, subtraction, division and multiplication.

Our calculator is designed to handle all your everyday mathematic needs with ease. Whether you're at home, in the office, or on the go, our tool provides quick and accurate calculations at your fingertips.