Sharpen Your Pencils!
Friday April 15, 2005
A new divisibility rule by 7 has been developed by M.Sc. Gustavo Gerald Toja Frachia (Mathematic and Statistic Institute - São Paulo University) See what you think of this interesting method.
Discuss
Readers Respond
What are your top strategies to study for math?Read Responses (4) | Add Your ResponseRecent Blog Comments
Explore Mathematics
Must Reads
About.com Special Features
Dinosaur Discoveries of the Decade
The top 10 fossil discoveries between 2000 and 2010. More >
How to Ace the GRE
Being well prepared is the first step; here are more essential suggestions. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.
Comments
No comments yet. Leave a Comment