Recently, brain activation revealed by a simple everyday calculations.
( Support for both Japanese and English. )
It offers three different levels, you can continue to match the abilities of everyone in the user.
The best drill to everyone who calculated that the closed society of the brain to sleep longer calculate the daily calculations and the children just beginning to learn arithmetic.
Easy ･･･ 16 Drills(1Drill = 20questions)
Normal ･･･ 16 Drills(1Drill = 20questions)
Hard ･･･ 16 Drills(1Drill = 20questions)
- So save your time and plays all the answers in the drill, Please use.
- Determined by the operator to drill because the number of digits, select the number of problem changes every time the same drill. Please enjoy the fresh feeling in every drill.
- Divide the modulus will be automatically entered.