Wednesday, March 4, 2009

And 'Rithmetic

Son's algebra class is getting more interesting now.


Mustang Bobby said...

The inspiration for the Gateway Arch in St. Louis -- turned upside down.

Bill said...

Nice necklace.

GDad said...

Interestingly, we did a problem with the Arch yesterday. Specifically, given the equation for the Arch, find the distance between its two feet. I think we calculated 630 feet, which, after a quick hop over to Wikipedia, seems to be correct.