GYAKUSAN - Calculate backward
iOS app by Triad Solution Inc.. Education · Triad Solution Inc.
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.1
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
The New type of Math drill. Making formulas is a good exercise for your brain from the answer. Improve your Math skills!! All of the four arithmetic operations are provided. This APP is pretty simple to use, everyone can play and enjoy this APP, and then improve your calculation power. For kids, it's suitable. There are 81 stages, from 1-1 to 9-9.(proceeding 1-2,1-3,...,1-9,2-1,2-2,...) You can get the Medal after clearing these stages in time. Complete to collect medals, even if Questions can be more difficult in higher stages. ▼For training in calculation This App provides you with questions using all of the four arithmetic operations. You rarely show the same question while using this App because this app questions you randomly from huge lots of questions. ▼Simple to use You can answer question by choosing the number from the options. ▼Medals You can get medals when you clear a stage. ▼Coins Only a coin needs to play a stage. you get 3 coins everyday when the first time you use this App a day. ▼Multi Languages This app dealt with Japanese and English. ▼Play for free!! ▼Defects/Requests Please contact us by email at tsiapp005a202503@triad-sol.co.jp. ▼Terms of service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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