HP-41C
Coconut Series
CCD Module Quick Reference Guide - HP Calculator Literature
MyCalcDB : Calculator Hewlett-Packard 41CX aka Coconut HONEYNUT
my41CX on the Mac App Store
HP-41 Blanknut - vintagecalc
SHARP DESKTOP CALCULATOR EL2125C 12DIGITS DUAL POWER W TAX WHITE
HP-41C
HP-41C
my41CX on the App Store
MyCalcDB : Calculator Hewlett-Packard 41CX aka Coconut HONEYNUT
MyCalcDB : Calculator Hewlett-Packard 41CX aka Coconut HONEYNUT
HP-41C - Wikipedia
Coconut Series
HP-41 Blanknut - vintagecalc