Canon Pocketronic

Manufacturer:	Canon Inc. (Japan)
Mfg. date:	1970-73
Size:	10×20,7×4,9 cm
Weight (ready for operate):	786 g
Type:	four-function
Capacity:	9 digits (input/printout) 9 digits (internal precision)
Operating logic:	custom
CPU:	Texas Instruments TMC1730A + TMC1731B + TMC1732A
Registers:	2 standard (with saving the pending operation) 1 constant (with saving the pending operation)
Features:	Fixfixed-point notation: the listed decimals can be chosen (4)
Display:	none
Power:	built-in battery pack