- HP-15C Simulator Home Page
Mainly the same information as in this help. You can also download the latest simulator version from here.
- HP-15C LE Owner's Handbook
The HP-15C Limited Edition Owner's Handbook as a PDF file.
- HP-15C LE Advanced Functions Handbook
The HP-15C Limited Edition Advanced Functions Handbook as a PDF file.
- HP Calculator Museum
The most comprehensive collection of HP calculators on the Internet. With information about their history, technical details and more.
- Eddie's Math and Calculator Blog
Edward Shore's blog regarding calculators and mathematics. He has a lot of nice programs for the HP-15C.
- Bring Back the HP-15C
A petition to bring back the HP-15C. It succeeded when on 1 September 2011, Hewlett-Packard announced the release of the HP-15C Limited Edition.
- R/S Key
A collection of HP and other companies programmable calculators. Here you can also see my very first calculator
- HP Calculators
(Follow the link "Calculators")
On the official HP calculator site, you will find all currently available calculator models.
As of 2018, one model of the 10C series is still in production: The HP-12C, the financial model. It has reached a production time of over 36 years!
- Tcl/Tk Home Page
Home of the Tool Command Language and the Tool Kit.
If you do not have already installed Tcl/Tk on your system or if you do not have version 8.5.12 or higher, you can download it from here. You can download either the source code or pre-compiled binaries for common operating systems.
- DejaVu Fonts
The "DejaVu fonts" can be downloaded from the sourceforge page.
- Mail to the Author
Comments on the Simulator, error reports or example programs are welcome.