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Canon RULER-8 

Date of introduction:   Display technology:  LCD (yellow)
New price:   Display size:  8
Size:  1.4" x 7.9" x 0.45"
 35 x 200 x 11 mm3
   
Weight:  2.4 ounces, 67 grams Serial No:  70989
Batteries:  2*LR44 Date of manufacture:  
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8  Integrated circuits:  
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This rare Canon RULER-8 calculators looks very similar to the early TI-1700 DATACLIP introduced in 1977.

Disassembling this Canon RULER-8 calculator reveals an interesting design with a total of three printed circuit boards (PCBs).

Don't miss the unique Toshiba LC-850M.



horizontal rule

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

Joerg Woerner, December 11, 2002. No reprints without written permission.