Khan/khan-exercises — pull request #44669 by ifingerson (2013-04-15 16:50:44+00:00)
Title: Acceptable formats for multiplication exercises

Just changed the acceptable formats to integer on 4 multiplication exercises. Also makes it default to numeric keypad on tablets.

On a side note, why is multiplication 4 _before_ multiplication 3 on the site? And what is even the difference?