Manual / Guide · 1987
HP-28C Getting Started Manual
Edition 3 (March 1987) of the getting-started manual for the HP-28C, Hewlett-Packard's first graphing calculator (part 00028-90001).
Manual / Guide · 1987
Edition 3 (March 1987) of the getting-started manual for the HP-28C, Hewlett-Packard's first graphing calculator (part 00028-90001).