HP Collection
That´s me
Guestbook
Matthias Wehrli
HP Collection
Calculators
Organizers
Mechanical Calcs
Hardware Database
Battery Packs
Cases
HP-41 Accessories
HP-48 Accessories
HP-71B Accessories
HP-75C/D Accessories
IL-Devices & Interfaces
Memory Cards
Power Supplies
Printer & Paper
Security Packs
Software Database
HP-41C/CV/CX
HP-48SX/GX
HP-65
HP-67/97
HP-71B
HP-75C/D
Business
For sale and trade
Software Database:
This is the entire HP-41 module list, actually
dated to october 20th 2025
.
museum@hp-collection.org
