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 is an online scientific calculator with double-digit precision that supports both button click and keyboard type.

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 …

Perfect for students, professionals, and everyday users, this online calculator provides accurate results for basic arithmetic, scientific functions, and more. Enjoy the convenience of free, ad-free …

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

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 to a power or …

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

The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

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