Math Division Tricks app for iPhone and iPad
Demo Video: http://www.youtube.com/watch?v=qrbPcTBQiaM
Just enter a number, and find out if it can be divided by 2, or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11, and 12. In addition learn the division rules from 2-12.
Example: just type 584 and the application will report that it can be divided by 2, 4 and 8
Math Division Tricks will allow you to easily find out all you need to know about numbers and division rules.