【實用教育app】StairsMINUS: Learn subtraction tables up to 50.|最夯免費app

Designed by a math teacher, StairsMINUS is an educative software, but also an addictive game. Your aim : follow on the subtraction tables up to 50th. The first ones are probably familiar to you, the others will be... at your own pace. With StairsMINUS, subtractions will not be a mystery anymore.This software saves your results and knows how to ask you to improve your knowledge of sum tables. - Excellent for table learning and mental calculation.- Progressive learning.- Appropriate for (almost) everybody, from schoolchildren to elders.Do you appreciate our app? Offer it!StairsMINUS is an universal software.Contact us at help@stairsby.com or @stairsapps

免費玩StairsMINUS: Learn subtraction tables up to 50. APP玩免費

免費玩StairsMINUS: Learn subtraction tables up to 50. App

StairsMINUS: Learn subtraction tables up to 50. APP LOGO

StairsMINUS: Learn subtraction tables up to 50. APP QRCode