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Canon Checkbook Junior

Date of introduction:  1982 Display technology:  LCD
New price:   Display size:  8
Size:  2.8" x 6.0" x 0.3"
 70 x 152 x 7 mm3
   
Weight:  2.4 ounces, 69 grams Serial No:  341384
Batteries:  CR2025 Date of manufacture:  year 1982
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8  Integrated circuits:  NEC uPD1833
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

You feel familiar with the Canon Checkbook Junior ? No doubt, it is nothing else than the original Checkbook with two key-rows missing. 

checkbook_jr_PCB.jpg (63598 Byte)Dismantling both calculators gives a small surprise - they are identical. The only difference is the keyplate that covers two memory rows of the original Checkbook. 



horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, March 27, 2003. No reprints without written permission.