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Tandy

EC-319

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 Released in 1989 Made in Japan  Memory 31902 bytes  
 Display Graphic LCD, 95 x 47 dots, 6 lines x 16 chars.  Keyboard 81 flat keys + 5 function keys
 Batteries 3 x CR-2025  PC-Sync No, but provided on the electronic card
 Size/weight 12.6 (W) x 7.4 (D) x 1.4 (H) cm / 125 g  Messages in  
 Functions Phone book, Memo, Schedule, Calendar, Letter memory (to store words and phrases), Data item marker
 Comment Made by Casio, same model as the Casio SF-4000.