Bowmar - a.k.a. Far East Generic Design I

Date of introduction:  1977 Display technology:  LED-stick
New price:   Display size:  8
Size:  5.2" x 2.8" x 0.9"
 132 x 70 x 23 mm3
Weight:  2.5 ounces, 70 grams Serial No:  775196
Batteries:  9V  Date of manufacture:  mth 12 year 1977
AC-Adapter:   Origin of manufacture:  Hong Kong
Precision:  8 Integrated circuits:  TMS0972
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

Bowmar_G1_BACK.jpg (257776 Byte)Bowmar Instruments, a giant manufacturer of calculators like the famous 901B, was one of the first casualties of the Calculator Wars and filed in 1976 for bankruptcy. It is still a mystery what company placed such a great name on one of the cheapest calculators of the 70s!

Within the Datamath Calculator Museum we refer this calculator as Far East Generic Design I.

Bowmar_G1_PCB.jpg (364394 Byte)Dismantling this Bowmar calculator manufactured in December 1977 reveals the expected printed circuit board (PCB) centered around a Texas Instruments TMS0972 single-chip calculator circuit introduced with the TI-1250.

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Joerg Woerner, February 5, 2010. No reprints without written permission.