HP-41C

HP-41C series

HP-41CX with magnetic card reader and thermal printer
Type	Programmable scientific
Introduced	1979
Discontinued	1990
Calculator
Entry mode	RPN
Display type	LCD fourteen-segment display
Display size	12 14-segment (alphanumeric) digits
CPU
Processor	HP Nut core (1LF5-0002)[1]
Programming
Programming language(s)	RPN key stroke (fully merged, Turing complete)
Memory register	63 .. 319
Program steps	441 .. 2233
Interfaces
Ports	four vendor specific
Connects to	micro-cassette via: HP-IL floppy disk via: HP-IL PC via one of: HP-IL and RS-232
Other
Power supply	four size N batteries or HP 82120A rechargeable battery pack

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 first of its kind to offer alphanumeric display capabilities. Later came the HP-41CV and HP-41CX, offering more memory and functionality.