HP-40G

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The HP 40G is an algebraic entry only graphing calculator from HP. Based on the HP-38G design, numerous firmware improvements and the inclusion of a CAS made this a very capable math platform.

The hardware is identical to the HP 49/39G series (complete with rubber keyboard), and the CAS is identical to that used in the HP 49G. Unlike it's "bigger brothers", the HP 40G has no flags to set/mis-set resulting in a "better behaved" calculator for straightforward math analysis. Additionally the HP 40G does not have infrared connectivity, and is limited to 27 variables. A list-based solver, and other handicaps make this simple to use calculator less adapted to higher end use.

[edit] External links

  • HP-40G on MyCalcDB (database about 70's and 80's pocket calculators)
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