Craig Model 4510

Date of introduction:  1974 Display technology:  LED-modules
New price:   Display size:  8
Size:  5.5" x 3.0" x 1.4"    
Weight:  5.8 ounces Serial No:  0740678
Batteries:  4*AA Date of manufacture:  year 1974
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8 Integrated circuits:  TMS0132
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

Craig Electronics of Compton, California was a major distributor of stereo equipment and other consumer electronics in the 1960's. Their calculators were usually US and Japanese OEM-products with the Craig stickers on it. Most recognized was the Model 4501, better known as rebadged Bowmar 901B

Craig4510_PCB.jpg (52613 Byte)This Craig 4510 is a very unusual calculator using a 20-key keyboard with two additional switches for the Constant and Memory functions. Dismantling the calculator reveals with the TMS0132 an unusual member of the TMS0700 single-chip calculator series.

If you have additions to the above article please email:

Joerg Woerner, February 29, 2004. No reprints without written permission.