DATAMATH PICTURES

This SR-11 Version 1 was manufactured in February 1974 by Texas Instruments.
The double-sided printed circuit board (PCB) of the SR-11 Version 1 is centered around a TMS0602 single-chip calculator circuit.
Close-up view of the TMS0602 single-chip calculator circuit.
Close-up view of the SN75493 Segment Driver.	Close-up view of the SN75494 Digit Driver.
Close-up view of the DIS115F Display PCB with 12 individual DISXXX Seven-Segment displays.