One of a humorous series of films devised to explain in graphic terms the concepts of basic mathematical functions.
1/2/1969
5/1/1977
1/1/1961
1/1/2009
7/15/1995
Invalid Date
7/3/1991
4/10/2015
1/1/1936
9/1/2009
1/1/1973
1/1/1987
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3/22/2005
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