2024 Entries

• Finance Pac
• New repair method for HP41
• The HP16c Computer Scientist
• Overlays for the Aviation Software pac for the HP15c CE
• Aviation software pac by Geoff Quickfall
• A rendering of the Aviation overlay
• A new Open Source Calculator Project!!
• New website!
• A new video: how to get a HP16c out of your HP15c Collector's Edition
• Compiling program sets for HP15c
• Testing new repair method for HP41c lower posts
• A request for HP15c heavy users
• Some clarifications about the HP15c CE
• A Small Teaser
• Interfacing with your HP15c CE
• The innards of a HP15c CE
• Continuation of "New glue..."
• Next developments for the HP15c CE
• Cable VI - what you can do with it!
• Cable Vb
• Cable Va
• Cable IV
• Battery door for the back door hp19bII
• Cable III
• Possible Enhancements to the HP15c CE firmware?
• Why HP15c CE Enhanced?
• Reprogramming cable news
• The function key trick when programming the HP15c
• The HP15c and HP16c in HP Journal of May 1983 - TheCalculatorStore
• More about the reprogramming cable
• Cable for HP15c CE reprogramming