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.

This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots.

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 …

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

Calculators and convertors for STEM, finance, fitness, construction, cooking, and more. Getting the right answer in math is important, but what really matters is knowing how you got there, and being able to …

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 need them!

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 change, …

An extensive collection of free, highly-rated online calculators and converters covering finance, construction, education, health, cooking and math for everyday use. Trusted by millions - over 8 …