Pat'sBlog

The mathematical (and other) thoughts of a (now retired) math teacher,

Showing posts with label fist use. Show all posts
Showing posts with label fist use. Show all posts
Monday, 4 April 2011

Pope Sylvester's Abacus

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Recently wrote on " This Day in Math "  about the day that Gerbert became Pope Sylvester II .  Then today I just found a really go...
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