DATAMATH CALCULATOR MUSEUM
|Date of introduction:||Display technology:||LCD (yellow)|
|New price:||Display size:||8|
|Size:||5.3" x 2.6" x 0.4"|
|Weight:||3.2 ounces||Serial No:||625814|
|Batteries:||2*LR44||Date of manufacture:|
|AC-Adapter:||Origin of manufacture:||GDR|
|Program steps:||Courtesy of:||Joerg Woerner|
You are familiar with this MR413 produced by the former GDR based company RFT ? You are right, this is a perfect copy of the early Texas Instruments Datachron aka TI-1790.
|Compare the perfection of the copy of the internals with the attached pictures. You'll find the MR413 always on the left side of the pictures.|
|The earlier MR411 from RFT uses the original Toshiba calculator chip, the MR413 uses a copy of it.|
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.