@edhoefer: This is great!

RE: RE: How To Save Hundreds By Making Your Own Whiteboard

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RE: How To Save Hundreds By Making Your Own Whiteboard

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2017-08-07 14:24

This is great! My high school calculus teacher did this in his classroom 25 years ago. I can't believe it hasn't caught on stronger than this.

2017-08-07 14:24

$ 0.000

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@edhoefer: This is great!