Model: 8-T Battery: 2 x AA Adapter: Year: 1976 Chip: ZA0536 Manual: Info:The Canon Palmtronic 8-T is an unique sexagesimal calculator dealing not only with decimal numbers but also with Hours, Minutes and Seconds./ Made in Japan
Model: F-31 Battery: 2 x AA Adapter: Year: 1977 Chip: TMS1045 Manual: Info:The Canon Palmtronic F-31 is another calculator based on the TMS1000 Microcomputer family. The TMS1045 found inside the F-31 is simlar to the calculator circuit of the TI-2550-III./ Made in Japan