TEXAS INSTRUMENTS TI 99/4A Addition and Subtraction 1 educational cartridge boxed

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TI 99/4A "Addition and Subtraction 1" cartridge 

Simple games to teach single-digit addition and subtraction for the youngest 99'ers.

This item is for the Texas Instruments 99/4A home computer.

Product no. PHM 3027
Cartridge: green label, white housing

Cartridge is boxed with manual, and is the exact item as shown in the photo, with any cosmetic wear to packaging that you see.

Item has been tested and works.  Due to the nature and age of these vintage electronics, we can provide no warranty beyond "no DOA" for these items.

Shipping weight: 1 lb.