【實用教育app】StairsBY : Learn multiplication tables up to 50.|最夯免費app-綠色工廠好玩App

50% OFF FOR A LIMITED TIME!!!Designed by a math teacher, StairsBY is an educative software, but also an addictive game. Your aim : follow on the multiplication tables up to 50th. The first ones are probably familiar to you, the others will be... at your own pace. With StairsBY, the square of 13 will not be a mystery anymore.This software saves your results and knows how to ask you to improve your knowledge of multiplication tables. - Excellent for table learning and mental calculation.- Progressive learning: because 15 × 3 = 3 × 15, the table of 3 contains 3 calculations. What about the 15th?- Appropriate for (almost) everybody, from schoolchildren to elders.Do you appreciate our app? Offer it!StairsBY is an universal software.Contact us at help@stairsby.com or @stairsapps