Model: Pocketronic Canon
Battery: 6*NiCd AA + 7*NiCd 2/3AA
Adapter: Charger 21
Year: 1972
Chip: TMC1730, TMC1731, TMC1732, SN21893
Manual: 
Info:made in Japan .Canon immediately understood the Texas Instruments project started in September 1965 and ended in 1967 of Cal-Tech's potential. Together they developed the Canon Pocketronic, the first calculator based on LSI (Large Scale Scale Integrated) circuits. Three LSI circuits were needed to have a calculation capacity of 12 digits, 8 integers and 4 decimals.The calculator was manufactured in Japan but uses many components produced by Texas Instruments. In addition to the LSI circuits, they used the print head for thermal paper and transistors.
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