Pat'sBlog
The mathematical (and other) thoughts of a (now retired) math teacher,
Showing posts with label
fist use
.
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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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