All clear button clears the calculator, tape, and resets any functions. Memory recall button retrieves the number you have in memory and places it in the display field. Memory plus …

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.

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, …

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 …

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.

web2.0calc.com online calculator provides basic and advanced mathematical functions useful for school or college. You can operate the calculator directly from your keyboard, as well as using …

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 …

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

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 …