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Last updates:

7 April 2024,
Version 4.6.00 (Build 6414) released:
Bug fixes, simulator documentation harmonisation, program description dialogue enhancements


HP-15C Simulator

HP-15C Simulator Home Page
You can download the latest version of the Simulator 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.


Hardware replicas of many HP calculators, running the original firmware. The DM15L and the DM-15CC communicate with the Simulator via USB!

Voyager Series User Manual
The User Manual for SwissMicros' Voyager series calculators.

HP-15C User Sites

A HP-15C Simulator power user page with many program examples.

Logan West's HP-15C YouTube playlist
The playlist contains 14 short videos covering basic and advanced features of the HP-15C.

Calculator Coding
An article about the implementation of Master Mind on the HP-15C and the Simulator.

HP And Others Calculators

HP Calculator Museum
The most comprehensive collection of HP calculators on the web. Includes information on their history, technical details and more.

HP Calculator Literature
A collection of over 1.300 (!) manuals and other books for HP calculators. The HP-15C Owner's Handbook is available in Danish, English, German, French and Portuguese.

Eddie's Math and Calculator Blog
Edward Shore's blog about calculators and mathematics. He has a lot of nice programs for the HP-15C.

Valentin Albillo's HP Collection
A collection of HP calculator articles, programs, pictures, brochures and books. There's a lot to read on this site!

Guido's RPN calculators
A site about RPN calculators and especially HP calculators. Also some HP-15c programs and links to RPN tutorials.

R/S Key
A collection of programmable calculators from HP and other companies. Here you can also see my very first calculator

HP Calculators
On the official HP calculator site, you will find all currently available calculator models.
As of 2024, one model of the 10C series is still in production: The HP-12C, the financial model. It was introduced in September 1981 (!) and has now been in production for over 42 years!

Kahan on HP calculators: Solve, Integrate and Matrix Operations
In this YouTube video, William Kahan, the Canadian mathematician, computer scientist and 1989 Turing Award winner, contributed the solve, integrate and matrix operations to the HP-15C. At the end of the video he presents his favourite pocket calculator.

HP-15C Simulator Resources

Tcl/Tk Home Page
Home of the Tool Command Language and the Tool Kit in which the simulator is programmed.
If you want to run the source code version of the simulator, you can download the Tcl/Tk programming language here.
You can download either the source code or precompiled binaries for common operating systems. You need version 8.6.6 or higher.

DejaVu Fonts
The "DejaVu fonts" can be downloaded from the sourceforge page.