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Texas Instruments Ti-66 Programmable Vintage Calculator Tested Works

troystory3 (1411)

97.8% positive feedback

Price:

US $39.99

ApproximatelyC $55.31

+ $24.60 shipping

Estimated delivery Fri, Sep 19 - Wed, Oct 1

Returns:

30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.

Condition:

Used

4.5

4 product ratings

Good value

Would recommend

Good quality

by libertybasic
Sep 04, 2019
Interesting a feature packed programmable calculator.
If you are into programmable calculators this is a pretty good one. It is essentially a reworked TI-58C made by Toshiba for Texas Instruments. It has really good battery life (the older calculators all had rechargeable batteries that only lasted for a few hours per charge) meaning, well years. The calculator seems well made and even has double shot keycaps. You can use this with a PC-200 thermal printer to produce alphanumeric output. I'm sure that if you need a calculator you can probably find a good use for this, but simply as a fun tech geek item to play with, this is a good purchase.
Verified purchase: YesCondition: Pre-owned
by greekco
Apr 05, 2025
It's a nice compact scientific calculato...
It's a nice compact scientific calculator for my desk top. I've used it for rudimentary calcs. So far so good. Haven't tried programming it yet but I don't anticipate any issues based on the condition it's in.
Verified purchase: YesCondition: Pre-owned
by jugre5674
Nov 06, 2024
Great calculator from the 80’s.
It brought back excellent memories of my Engineering student days. I love it.
Verified purchase: YesCondition: Pre-owned
by pachycondyla
May 11, 2025
great
works like new, it great condition.
Verified purchase: YesCondition: Pre-owned