The Kopf-Trainer should keep your head fit.
Well, are you still master the small 1mal1 or can you add numbers quickly? The Kopf-Trainer should help you to get fit in the head. You can choose from different asks. For example: the small 1*1 or the big 1*1. Current Features: - Training mode: ten mathematical task (from 1*1 till fractures) - Count the right and wrong answers, as well as the number of correct answers in row. - The count and records are stored and displayed per day.Planned extensions:- Duel mode: solving tasks on timeVersion 1.0.4: - Technical migration to the Android SDK version 28