Texas Instruments TI-2550 calculator from 1975

[jbranstetter04]

51 dollars! Do you know what that is in todays money? I don't know, but it's a lot for a calculator.

[batterymaker]

Boy, do I remember those. My friend's dad had one of those. I remember they were VERY expensive back then.

[burtoncharlessmith]

Imagine putting a calculator on layaway. I remember those days. It was the calculator that made Texas Instruments a household name.

That's a really great buy for $3! Very few people kept the boxes and everything.

[vwestlife]

Nice calculator. "F" stands for Floating Point.