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

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, …

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

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 …

Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. Includes basic handheld calculator functions for square, square root, percent, sign …

Use our free online calculator for instant results. Supports percentages, fractions, equations, and more. No signup required.

Free online calculators for everything. Some solve problems, some satisfy curiosity and some simply for fun.

FreeCalculator.net’s sole focus is to provide fast, comprehensive, convenient, free online calculators in a plethora of areas. Currently, we have over 100 calculators to help you “do the …

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