Eddie's Math and Calculator Blog: Retro Review Casio fx-702P
CASIO FX-702P Vintage Programmable Calculator From 1980's - Etsy New Zealand
Charlie Stross on Twitter: "I still own a (working!) Casio FX-702P (and manuals, case, and software library!), but alas no printer, tape interface, or massive 16Kb RAM pack. Maybe I should upgrade