DATAMATH CALCULATOR MUSEUM
Simpson Sears 41030 Digi·matic 8
|Date of introduction:||1972||Display technology:||LED-modules|
|New price:||$148.95||Display size:||8|
|Size:||5.9" x 3.1" x 1.3"|
|Weight:||6.9 ounces||Serial No:||118290|
|Batteries:||3*AA NiCd||Date of manufacture:|
9V AC, 275 mA
|Origin of manufacture:||Canada|
|Program steps:||Courtesy of:||Joerg Woerner|
This Simpson Sears Digi·Matic 8 was manufactured by Bowmar - the inventor of the first "True-Pocket-Size" calculator. Don't miss the famous Bowmar 901B based mainly on components of the Texas Instruments company.
the Digi·Matic 8 - designed about one year after the 901B - reveals still a pure
TI design. We notice the original Klixon™
keypad and the TMS0103 Integrated circuit combined with two display
It took another year before Bowmar changed the strategy and replaced TI as supplier of the main components. Find with the Bowmar MX-55 a good example of a TI-free product.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, May 13, 2003. No reprints without written permission.