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Threads
- HP-15C expanded memory firmware: problems with matrix larger than 8x8 (3 Replies)
- HP-15C: Fixing the CHS and Stack Lift Bug (33 Replies)
- Hypothetical: 12C program editing (15 Replies)
- Frequencies of the HP-41 TONEs (10 Replies)
- New Hp9100A owner needs some repair help.. (3 Replies)
- Are there any famous movie scenes that feature a HP Voyager series calculator? (10 Replies)
- Request for HP82143A (Helios) paper print (5 Replies)
- Backing up HP28s user data via IR port (11 Replies)
- HP50G Attached directory/file (2 Replies)
- [Hp48] Bricked (11 Replies)
- 95LX - Using with CF Card (2 Replies)
- hp classic calculator charger without battery pack (9 Replies)
- HP 12C Speed Test (27 Replies)
- HP 12C Original Box and packaging (5 Replies)
- The HP-33E/C that could have been. (10 Replies)
- [HP41] Lambda Modular function; question (2 Replies)
- HP-12CP Programming - Multiple programs (10 Replies)
- Changing Of The Guard (11 Replies)
- HP's own museum (3 Replies)
- [HP41] "La chasse a l octet"; where was this chapter? what revue in F? (3 Replies)
- HP-45 one digit only (3 Replies)
- Japanese YHP 67 and 97? (7 Replies)
- Math Challlenge: Deming Regression for 2 independent variables (8 Replies)
- Spice keyboard overlay repair? (1 Reply)
- Programming challenges: processing vectors and matrices (21 Replies)
- [HP41] Lambert function RPN; question (15 Replies)
- Write a GCD program for the HP-41C with chatGPT (9 Replies)
- New year (2 Replies)
- Lambert W Function (hp-42s) (52 Replies)
- ramcard with batteries vs ramcard without batteries for hp 48gx (3 Replies)
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