What's New
maintenance update
App Description
Good brain trainer app for improving your working memory.
< USAGE >
1. Select level (1-10).
2. Memorize the answer of easy addition for the level times.
3. Continue memorizing and tap the last digit of the answer of n times before (NOT current answer).
If you don't know what is N-Back, please see below.
http://en.wikipedia.org/wiki/N-back
App Changes
- September 30, 2012 Initial release
- May 09, 2013 New version 1.1
- May 31, 2013 New version 1.1.1
- June 13, 2013 New version 1.1.2
- June 14, 2019 New version 1.2.1
- July 14, 2020 New version 1.3
- October 08, 2021 New version 1.3.2