2018-08-302022-02-022018-08-302022-02-02https://hdl.handle.net/11124/172497Date of manufacture: 1979-1990.The HP41C series programmable calculators offered the first alphanumeric capabilities and featured ports for memory expansion. The HP-41CV calculator offered 4 ports for memory expansion and ultimately provided 5 times the memory of the first HP-41C model.born digitaldigital photographsCalculatorsImage