Who invented the multipication chart? - how a multipication chart on excel
I need all information about the process of multiplication and how to use them in everyday life. Please and thank you
Wednesday, November 25, 2009
How A Multipication Chart On Excel Who Invented The Multipication Chart?
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Title:
Device for teaching mathematics
Document Type and Number:
United States Patent 5759041
Link to this page:
http://www.freepatentsonline.com/5759041 ...
Summary:
A device for teaching multiplication tables to have a body, the body has a front and back of the front with 55 multiplication problems on the back and have about 55 responses to the problems of proliferation of weapons of mass destruction before, the body which has 55 holes so that the body pass through the front and rear axles.
Good luck.
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