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Saturday, March 17, 2007

Ah!

This is an invaluable resource: Ask Dr. Math.
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1 comment:

  1. Catherine JohnsonMarch 17, 2007 at 7:20 AM

    oh absolutely

    this is a fantastic resource

    one of the very best

    i have the books, too!

    i'll get this link posted on the sidebar

    ReplyDelete