Add this copy of Introduction to Ti Basic (for the Ti-99/4 and Ti-99/4a) to cart. £52.45, good condition, Sold by ThriftBooks-Baltimore rated 4.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 1981 by Hayden Book Co.
Add this copy of Introduction to Ti Basic (for the Ti-99/4 and Ti-99/4a) to cart. £202.48, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 1980 by Hayden Book Co.
