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TI-59 – Wikipedia
Numerische Mathematik: Programme Für Den Ti 59 (Anwendung Programmierbarer Taschenrechner #5) (Paperback) | Octavia Books | New Orleans, Louisiana - Independent Bookstore
File:TI-59 Half-side view.jpg - Wikimedia Commons
TI 59 programmierbarer Taschenrechner Texas Instruments cal 70ger in Sachsen-Anhalt - Halberstadt | eBay Kleinanzeigen
Texas Instruments Red LED TI-59 Programmable Personal Calculator with Magnetic Strip for Storing & Reading Programs, Circa 1977 | Pocket calculators, Calculator, Magnetic card reader