Subtraction Table - TAG Publisher: The App Tower Inc. Genre: Education Released: 23 Aug, 2010 Size: 1.2 MB Price: FREE! Click here to request a review of this app App Store Info Description The App Gate presents Subtraction Table: a study aid to help learn or practice subtraction from 20-1 down to 11-10. Answers are presented in both numerical and visual form which appear at the simple touch of a button. Screenshots Screenshot 1 of 3