![TEXAS INSTRUMENTS TI 99/4A Addition and Subtraction 1 (1981) Scott Foresman green label](http://westilllovethisstuff.com/cdn/shop/files/IMG_0948_{width}x.jpg?v=1712388493)
"Addition and Subtraction 1" for the TI 99/4A computer
FORMAT: cartridge
MFR: Texas Instruments
CAT. NO.: PHM 3027
HOUSING: black
LABEL: green
YEAR: 1981
Tested and working. Cartridge only as shown; no other documentation or packaging included.
Part of the acclaimed series of Scott, Foresman programs for elementary math mastery. Fun and educational!
Shipping weight 5 ounces.