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.

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

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

Der wissenschaftliche Taschenrechner im Internet. Ideal zum Lösen von Hausaufgaben aus den Gebieten: Mathematik, Physik und Technik. Mit Vektor/Matrixrechner, Gleichungslöser, …

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 …

Jun 27, 2025 · This basic calculator is a web-based tool to do simple arithmetic operations like addition, subtraction, multiplication, and division. It looks and behaves just like a regular hand …

Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex …

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.

Free online calculator with advanced functions for scientific calculations, percentages, fractions, exponential functions, logarithms, trigonometric functions, statistics, and more.