This page contains links to software programs and components both for the calculator and Windows PCs.

Please note that the HP39/40G versions of the software have yet to be fully tested and as such I cannot guarantee their functionality. HP40G users should also be aware that they should download the HP39G versions as they are identical. All are programs unless otherwise indicated.

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Calculator Software

Download All Calculator Files
Use these files to download all of the available aplets and programs for your calculator.

 Download: HP38G (20KB) HP39/40G (20KB)

NEW! Dominoes
Dominoes on the calculator! In full multiplayer. You choose the number of human and computer players and take turns. The winner is the first player to run out of dominoes or the player with the least number of points left when there are no more moves possible. Easy and addictive.

Download: HP38G (2KB) HP39/40G (2KB)

Peg Jump
Graphical conversion of peg solitaire for the calculator. Instructions are within README.TXT in each archive. Large and slow (unfortunately) on the HP38G.

Download: HP38G (2KB) HP39/40G (2KB)

Talking Clock
Self-updating clock that provides the time in a written form.
Update 26/02/2003: I recommend you download Jordi Hidalgo's Ticking Clock instead.

Download: HP38G (1KB) HP39/40G (1KB)

Talking Clock II
Updated version of Talking Clock which also reports the date and free memory. 39/40G version not available at present.
Update 26/02/2003: I recommend you download Jordi Hidalgo's Ticking Clock instead.

Download: HP38G (2KB)

Rock, etc - Rock, Scissors, Paper
Version of the traditional Rock, Scissors, Paper hand game against the calculator. Keeps scores.

Download: HP38G (2KB) HP39/40G (2KB)

Tic, Tac, Toe
Graphical version of Tic Tac Toe which is played against the calculator. Rudimentary artificial intelligence. If you downloaded either version of Tic Tac Toe before 14 July 2001, you may not be able to run it as it was missing the Keypress program. The updated archives below now include this file. The HP39/40G version also fixes a key recognition problem.

Download: HP38G (2KB) HP39/40G (2KB)

The Which Cup Ball
Guessing game. 1 in 3 chance of winning. Good for a temporary distraction.

Download: HP38G (1KB) HP39/40G (1KB)

Show Date (and Time)
Displays date and time in a friendly format. Self-updating.

Download: HP38G (2KB) HP39/40G (2KB)

Setup Date and Time
In order for any of the clocks to function correctly, the calculator's date and time must be correctly set. This program provides an easy interface for which to make this happen. This program is a perfect companion for Jordi Hidalgo's Ticking Clock.

Download: HP38G (2KB) HP39/40G (2KB)

Match Race
Traditional game 21 Matches played versus the calculator.

Download: HP38G (2KB) HP39/40G (2KB)

DiceRoll 3
Randomly rolls an imaginary six-sided dice and displays the results.

Download: HP38G (1KB) HP39/40G (1KB)

Cash Register - with GST support
Pretends the calculator is a cash register and calculates change in Australian denominations with or without 10% GST.

Download: HP38G (2KB) HP39/40G (2KB)

Security - Aplet
Provides basic deterrent security for your calculator when active. Asks user for a PIN when setup and once loaded denies access unless correct PIN is entered, beeping after successive incorrect attempts. The HP39/40G archive was updated on July 14, 2001 to fix a translation error.
Note: Is only an impression of security, and be simply bypassed by double-pressing the [ON] button (this is a feature of the calculator).

Download: HP38G (3KB) HP39/40G (3KB)