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Original vintage Texas Instruments documentation for the SR-56 Programmable Slide-Rule Calculator, dating to 1976.Includes both:• SR-56 Owner’s Manual
• SR-56 Applications LibraryThe Applications Library is the large spiral-bound reference containing programs for mathematics, statistics, finance, engineering, navigation and other uses.Both books show normal vintage shelf/storage wear. Previous owner’s name “Martin” is written on the covers as shown. Spiral bindings remain intact. Please review all photos for exact cosmetic condition.A nice original documentation set for completing a vintage Texas Instruments SR-56 calculator setup, or for a collector of early programmable calculators and 1970s electronics.
