DATAMATH PICTURES

The sales box of the CanonCheckbookCheckbook Recorder sold around 1988 in the US.
The Canon Checkbook Recorder in its sleeve with holders for five credit card and one pen.
The Canon Checkbook Recorder displays one of twelve categories for each transaction.
The Canon Checkbook Recorder includes a clock and calendar feature.
This Canon Checkbook Recorder calculator was manufactured in Taiwan in May 1988.
The printed circuit board (PCB) of the Canon Checkbook Recorder is centered around a Toshiba T9840 Application Specific CPU.
The printed circuit board of the Canon Checkbook Recorder was changed to fix the design flaw of the first series.
Close-up view of the Toshiba T9840 Application Specific CPU.	Close-up view of the battery holder.