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Let's make a direct connection between the pocket calculator revolution and the personal computer revolution.
Did you have an HP-35? Ever try to upgrade it to a 45? What stories do you have?
HP-3545 story on HP Memories forum: www.hpmuseum.org/cgi-sys/cgiw...
Blog on Myra Burg: www.iphonesavior.com/2011/12/...
HP-45 crystal mod: www.hpmuseum.org/45crys.htm
HP-45 stopwatch equation: www.decodesystems.com/hp45-sto...