The HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. The original model, HP-41C, was the …

From its introduction in 1979 until final production in 1990, the Hewlett Packard 41 Series Programmable Calculator reigned supreme as the trusted companion of professionals and …

The HP-41C is the first Hewlett-Packard handheld calculator offering an exciting array of alphanumeric capabilities. With so many different kinds of calculator uses and applications in …

2022年8月26日 · With the 41 on a table/hard surface, press down on the two edges to the left of the keyboard just outside the top row of keys (upper post area), and try using [ON]+[<-]. IF it …

Downloadable HP-41 Programs Documentation. These programs were loaded into an HP-41C via magnetic cards or bar codes and then uploaded. At this time, no one has taken the time to …

2022年1月6日 · The HP-41C was launched in 1979 and was a quantum leap over previous programmable calculators due to its alphanumeric capabilities and unique user interface. It …

There are of course reasons for the HP-15C, or the 41CX. All of these calcs are pretty hard to find for a decent price. All of them have different things that make them better for different …

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HP-41 Library. User Documentation. Owner's Manuals Sales Literature Books Misc. HP Periodicals. HP Digest HP-65 Key Note HP Key Notes HP Journal. Software. HP Application …