DATAMATH CALCULATOR MUSEUM |
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@datamath.org.
© Joerg Woerner, October 23, 2009. No reprints without written permission.