Add Up to 21
HK$ 8.00
1.3for iPhone, iPad and more
Age Rating
Add Up to 21 螢幕截圖
About Add Up to 21
Poker Blackjack is a popular game related to adding numbers to 21. This app adopts this idea to train your brain to add number fast without paper and pen.
You are challenged to do this as fast as you can within 3 minutes: pick cards from the 7 given number-cards so that the sum of them is 21. Each number-card is a poker card with a value in the range of 1 to 13.
The more you practice, the faster you will be able to pick the right numbers for the sum of 21. Doing this can truly sharpen your skills and performance to computing in brain without using pen and paper.
Your best performance is saved, along with the date and time you created it.
This app is for pre-school, 1st grade, 2nd grade students and senior citizens who want to keep their brain sharp.
You are challenged to do this as fast as you can within 3 minutes: pick cards from the 7 given number-cards so that the sum of them is 21. Each number-card is a poker card with a value in the range of 1 to 13.
The more you practice, the faster you will be able to pick the right numbers for the sum of 21. Doing this can truly sharpen your skills and performance to computing in brain without using pen and paper.
Your best performance is saved, along with the date and time you created it.
This app is for pre-school, 1st grade, 2nd grade students and senior citizens who want to keep their brain sharp.
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最新版本1.3更新日誌
Last updated on 2021年09月28日
歷史版本
Update the app so that it runs on the device with the latest iOS version.
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Version History
1.3
2021年09月28日
Update the app so that it runs on the device with the latest iOS version.
1.2
2020年03月02日
adjust the screen layout so that it runs on various version of iOS
1.1
2017年01月30日
Fix a critical bug.
1.0
2017年01月18日
Add Up to 21 FAQ
點擊此處瞭解如何在受限國家或地區下載Add Up to 21。
以下為Add Up to 21的最低配置要求。
iPhone
須使用 iOS 8.0 或以上版本。
iPad
須使用 iPadOS 8.0 或以上版本。
iPod touch
須使用 iOS 8.0 或以上版本。
Add Up to 21支持英文