Vintage Texas Instruments TI-59 PPX-59 Professional Program Exchange Software Catalog and Documentation Collection – 1978–1982.

Original vintage Texas Instruments Calculator Products Division publications associated with the TI-59 programmable calculator and PPX-59 Professional Program Exchange.

Collection includes:

- July 1978 PPX-59 Software Catalog, housed in a three-ring binder

- January 1980 Software Catalog Addendum E

- September 1980 Software Catalog

- September 1981 Software Catalog G Update

- June 1982 Software Catalog H Update

- Two PPX-59 Member's Guides

- Additional catalog pages and reference materials contained in the binder

The documentation includes program abstracts, program descriptions, professional categories, indexes, and information relating to the Texas Instruments Professional Program Exchange.

Vintage preowned condition with age-related yellowing, discoloration, edge wear, and signs of handling and storage. Some pages have three-hole punches or staples.

The collection has not been checked page by page for completeness. All materials are being sold together as pictured.

Please examine all photographs carefully for exact contents and condition.

Documentation and binder only. No calculator, magnetic cards, or electronic equipment included.