About N-Back Calculation
This is a brain training game.
Memory the current numerical calculation, and answer the one shown N steps earlier in the sequence.
If all your answers are correct, next stage will be opened.
See also
Wikipedia - N-back
http://en.wikipedia.org/wiki/N-back
Download and install
N-Back Calculation version 1.01 on your
Android device!
Downloaded 1,000+ times, content rating: Everyone
Android package:
com.develuck.NBackCalculation, download N-Back Calculation.apk
by T####:
Would be even better if the developer changed the keypad to the classic keyboard/calculator style keypad with the digits 0, 1,2,3 starting at the bottom and digits 7, 8, 9 ending on the top in tows of 3. This makes the app more intuitive to use when entering the answer.