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, Pi and memory. Instead of just giving a final answer, Symbolab’s AI Math Solver breaks problems down step-by-step. It shows what to do first, how each step builds on the last, and how each move brings you closer to the solution. It supports topics such as algebra, calculus, trigonometry, and more. Use this simple addition calculator to find the sum of two numbers. Includes a clear guide to how addition works, step-by-step examples, common mistakes, and practical uses in daily life. Free online math calculator to add, subtract, multiply and divide positive and negative numbers. Online decimal calculator to find sum, difference and products of numbers. This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more. Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, Calculation History. Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, powers and rounding. How to do repeating operations, higher powers and roots, memory and clear functions for this standard calculator are explained below. Use this standard tape calculator for everyday arithmetic with a running calculation tape. © 2026 calculator.com. All rights reserved. This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots. Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, Calculation History.