square root of negative one teach math

Just some things this high school math teacher thinks about

Monday, February 14, 2011

Happy Heart Day!

I got this t-shirt at mental floss, if you're wondering . . .

Amy Gruen at 9:35 AM

1 comment:

KFoussFebruary 14, 2011 at 5:46 PM
Love it! Hope you wore it to school today :)

Kristen
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