2018-08-302022-02-022018-08-302022-02-02https://hdl.handle.net/11124/172496Date of manufacture: 1972-1975.This programmable calculator holds one program up to 80 steps and is precise up to 13 digits. It operates using both algebraic and Trigonometric functions and was originally marketed as having a "groovy" orange plasma flourescent display. Cost was $795.00. In 2011 dollars, this would cost $4,140.born digitaldigital photographsCalculatorsImage