There's likely nothing more embarrassing for educators than messing up their own arithmetic, but as the LA Times reports, that's just what happened with the Los Angeles school district's student iPad program. On top of the fact that a good number of students have already found a way around the school district's attempts to prevent non-educational use, it now seems that the $30 million that was approved for purchasing the Apple tablets isn't nearly enough for what the district actually needs -- and it was a simple math error that caused
