Additional Pictures 


The sales box of the IS-8400 Digital Planner sold around 1993 in the Europe.

This IS-8400 Digital Planner was manufactured in February 1994 by
Texas Instruments in Italy (Date code RCI 0594 wk 05 yr 1994).

This PS-9000 Back-Up Memory Module connected to a IS-8400 Digital Planner.

If you have additions to the above article please email:

Joerg Woerner, October 23, 2009. No reprints without written permission.