けいさん白書-数学/暗算トレーニング-

Features けいさん白書-数学/暗算トレーニング-

A calculation training app that solves a lot of mental calculations within the time limit.Activate your brain by improving your judgment and concentration!◆ Rule explanationSolve many problems within 30 seconds.The calculation method can be selected from [Addition/subtraction/multiplication/division].You can select the difficulty level from [Easy/Normal/Slightly difficult/Difficult].◆ How to calculate the score[+5 points] for each correct answer.
[-3 points] for each incorrect answer.◆ Collection of nostalgic school itemsYou can get points depending on the score results.The collection will increase when certain points are accumulated.