Not Just Manuals (for not just programmables)
Useful Information
- Where Can I Get a Manual, and other Frequently Asked Questions
Calculator
Links- An Important Note to dealers or sellers of vintage calculators
- Calculator Buyers' Guide by Ron Ross
Book Reviews
- RCL 20 by W. A. C. Mier-Jedrzejowicz Ph. D. & Frank Wales
Technical Notes
- First, a disclaimer: beware of programmers who carry screwdrivers. I am a software guy. Although I know how to handle a soldering iron and have some burn marks on my hands to prove that I am no novice, my expertise lies mainly in programming computers, not building or fixing them. Take this into account when you read the articles below.
- A small (but growing) Knowledge Base
- Disassembly Instructions for Selected Models
- Battery Pack Repair
- Notes on Corrosion
- Repairing HP-67 Card Readers by Mike Davis
- Repairing HP-97 Card Readers by Mike Davis
Articles
- A Question of Definitions
- A Brief History of Programmable Calculators
- The Evolution of the Programmable Calculator
- Calculator Programming
- Why the Madness? A Personal Perspective
- The HIR Instruction by Tito de Quadros Júnior
-
Repairing
the Broken Screwposts of an HP-41C by Laurent Fournier

