Additional Pictures 


The TI-150 next to the TI-2550 introduced already in January 1974.

The wedge-shaped side view of the TI-150 housing.

The wedge-shape side view of the TI-2550 housing.

This Texas Instruments TI-150 was manufactured end of 1974 and serviced in
November 1975 by Texas Instruments in the U.S. (Date code 465 wk 46 yr 1975).


The battery compartment of the TI-150 with 4 AA sized batteries installed.

The backside of the main printed circuit board (PCB) of the TI-150.

The main printed circuit board (PCB) of the TI-150 is centered around
a TMS0852NC single-chip calculator circuit.

Close-up view of the TMS0852NC single-chip calculator circuit.

The gas-discharge display of the TI-150.

The keyboard of the TI-150.

The sales box of the TI-150 sold early in 1975 in the US compared to
the sales box of the SR-16 sold at the same time.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, March 7, 2019. No reprints without written permission.