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+--- Thread: hp28 mention on smithsonian site (/thread-45884.html)
hp28 mention on smithsonian site - ned - 11-04-2003
Just found this by accident. Interesting short read. This site deals with the history of math education in the United States. Gives credit to casio for the first graphing calc, but mentions the 28c.
http://americanhistory.si.edu/teachingmath/html/401.htm
~ned