Displaying Letters Using 7-Segment Displays This information is taken from "Blast from the Future" in DATAFILE V22N5p13 by Jordi Hidalgo A few calculators with 7-segment displays can display letters. The calculators and their BCD digit assignments are: model A B C D E F reference 21A r H o P E blank DATAFILE V21N2p42 The 21A was the first to have letters for messages. You could spell "Error". 25A r F o P E blank 65N V4N6p16a, 33A " " " " " " PPCJ V6N1p17d, 34C " " " " " " PPC Calculator Journal V7N6P29c 67A r C o d E blank 65 Notes V4N1p6b 97A " " " " " " and V4N4p4a 97A(printing) . - + * blank C/R 65 Notes V4N4p6b 12C r - o P E blank DATAFILE V20N5p27 15C r - o P/u E blank PPC Calculator Journal V10N1p52d
Last modified Saturday, 2012-02-25T17:30:09-06:00.