Software program for practicing addition, subtraction, multiplication, and division facts. Also includes 6 fun and challenging math games.
Adds or subtracts a number of days or months to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week, Hermetic Leap Week and day-in-year (yyyy-ddd).
RekenTest is open source educational software to practice arithmetic skills. Supports basic arithmetic operations with whole numbers, decimals, money problems, percentages and fractions. Available in English, Spanish, Portuguese, Dutch and Turkish.
NumberMate is an arithmetic and scientific calculator, adding machine, and time calculator that documents calculations on multiple tapes which you can edit. It can make and record complex sets of interrelated calculations, print and save tapes.
Calculator Prompter is a math expression calculator. Calculator Prompter has a built-in error recognition system that helps you get correct results. With Calculator Prompter you can enter the whole expression, including brackets, and operators.
Whack the answer to the equation as quickly as possible!
Cover the most boxes to avoid penalty points.
Compete with friends or robots and see who is the master of prime!