Ya wanna get rid of it?
manney(a)nwohio.com
possibly the TI-2500. i have one from the old college
days - vintage
early
70's; definitely preceded the SR models. it is tan
and has the label
"Datamath" next to the TI logo. 4-banger, no memory. perhaps most
recognizable by the orange "=" key in the lower right.
So did the TI SR-10, IIRC