All clear button clears the calculator, tape, and resets any functions. Memory recall button retrieves the number you have in memory and places it in the display field. Memory plus …

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, …

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.

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

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

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 …

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 …

Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Type in any equation to get the solution, steps and graph

Miles per hour to Kilometer per hour and backwards — In the need for speed our velocity conversion calculator is your tool for success! Knot to Mile / Hour, Mile / Hour to Knot, more »

A comprehensive online calculator hub, we make math easy with our online calculator and conversion tools. Find a wide range of calculators and converters to simplify your calculations.