Brain Training "1 minute calculation! "This app unravel one after another in one minute period computational problems. You can brain training by going to answer in a row of four arithmetic operations addition, subtraction, multiplication, division. At one point the sound of incorrect and correct answers BGM good tempo, you will be promoted as a game comfortably while concentrating. Three levels: beginner, intermediate, advanced, so can be selected, and it is with specifications that are hard to get bored in a wide range of difficulty.
[Beginner] Computational problems using a random number of 0-9.
[Intermediate] Computational problems using a random number between 0 and 99.
[Advanced] Computational problems using a random number between 0 and 999.
※ I am combined number of digits for each class and the number of digits of the answer for division.
※ I was allowed to use than the "devil soul"-like sound source material