In Japanese it is called 'Tasu' that the calculation adds up.
NumTasu is a puzzle game multiplied by 'Number (num)' and 'Add(Tasu)'.
It is an application that selects the necessary one from the numbers arranged in a square and completes the addition in the vertical and horizontal directions.
Easy operation just to tap the number and select the game.
There are 450 questions including 4 x 4 unraveling the stage and 6 x 6 using the head.
There is also an extra mode which is randomly presented.
From children's education for children, brain train for adults can be enjoyed regardless of age.
Version history
1.0.0
2017-07-17
This app has been updated by Apple to display the Apple Watch app icon.
It's a fun casual puzzle, but when I run it, my phone gets super hot and it seems to use close to 1% of the battery every minute it's running. You might want to look into that, devs.