DATAMATH CALCULATOR MUSEUM
|Date of introduction:||December 1972||Display technology:||LED|
|New price:||SRP $99.95||Display size:||8|
|Size:||5.5" x 3.8" x 1.7"|
|Weight:||11.3 ounces||Serial No:|
|Batteries:||6*AA||Date of manufacture:|
|AC-Adapter:||Origin of manufacture:||USA|
|Program steps:||Courtesy of:||Joerg Woerner|
At first glance this early kit calculator sold by Heathkit looks like a Bowmar 901B.
To stop any discussions about the source of this wonderful early IC-2009 we should explore the internal construction. Dismantling the calculator is pretty easy - memorize that it was sold as a do-it-yourself kit between December 1972 and May 1974.
The printed circuit board (PCB) of the IC-2009 is unique and completely different to the Bowmar line. Nevertheless there are a lot of similarities:
keypad manufactured by TI
• TMS0103 calculator-on-a-chip by TI
• Opto-stic LED display manufactured by Bowmar
The priced of the IC-2009 dropped down to $89.95 before the calculator was replaced with the IC-2006. The IC-2006 uses a much smaller housing with a complete different design.
If you have additions to the above article please email: email@example.com.
© Joerg Woerner, September 28, 2003. No reprints without written permission.