Re: Navigation cards for HP 48 series Message #1 Posted by Frank Travis on 15 May 2003, 9:21 a.m.
A place that has several types of HP 48SX/GX plug-in navigations cards (with accompanying manuals) is Calcpro website www.calcpro.com. I have bought several calculators, HP 48 plug-in applications cards (w/manuals), books, and accessories from them.
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