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.

Aug 1, 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.

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 …

The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic you need.

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

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 …

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 …

Omni Calculator provides solutions for a wide range of problems, from finance and business to health. It’s so fast and easy you won’t want to do the math again!