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Free Calculation Trainer (German)
CalcTrain is a free calculation trainer for the basic operations of addition, subtraction, multiplication and division using integers between 0 and 100. You can choose either the time you want to play or the number of questions. CalcTrain is ideal for mental arithmetic training. Even though pocket calculators exist, being able to do basic calculations without them is still a useful skill.
Screenshot of CalcTrain:
If you have questions or suggestions please write us an email.
Helge Krüger, 2009 - '10