Canon card LC-31

Date of introduction:   Display technology:  LCD (yellow)
New price:   Display size:  8
Size:  5.0" x 2.8" x 0.5"    
Weight:  2.4 ounces Serial No:  
Batteries:  2*AAA Date of manufacture:  mth 05 year 1981
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8  Integrated circuits:  Toshiba T3709
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

LC-31_PCB.jpg (54430 Byte)This Canon card LC-31 followed the cute LC-8M and uses similar technology like the Texas Instruments TI-1750.

The LC-32 used this electroncis in a cheap housing to accomodate 2 huge AA-sized batteries. The LC-33 introduced a novel manufacturing technology in this class of calculators.

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Joerg Woerner, January 19, 2003. No reprints without written permission.