DATAMATH PICTURES

This Commodore Minuteman 2SR (MM.2SR) with Serial Number 79097 was manufactured in March 1974.
The Commodore Minuteman 2SR is powered by 4 N-size rechargeable batteries.
The printed circuit board (PCB) of the Commodore MM.2SR is centered around a MOS Technologies MCS2523 single-chip calculator circuit and supported by a pair of SN75491 and ITT 492 display drivers.
Close-up view of the MCS2523 single-chip calculator circuit.
Close-up view of the SN75491 Segment Driver.	Close-up view of the ITT 492-5 Digit Driver.
Close-up view of the National Semiconductor NSN 98B Display Module of a Commodore MM.2SR manufactured in March 1974.
Close-up view of one Digit of the National Semiconductor NSN 98B 7-Segment LED Module showing the 3 small light bars per segment.
The Type MM 3 Charger Power Supply used with the Commodore MM.2SR.