What's new in Free42 3.5
Now supports shifted assignments in the programmable menu and in CUSTOM.
Now supports using a list for REGS, allowing to store all data types in numbered registers.
Many built-in functions can now be applied to lists, causing them to operate on the elements of the list one by one. See the Free42 web site for details.
Implemented SORT function.
PRV and PRX now handle nested lists, and matrices inside lists.
About Free42 3.5
Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer.
It is a complete rewrite, not using any HP code, and it does not require an HP-42S ROM image.
Free42 is an Open Source project. The executables and source code are released under the terms of the GNU General Public License, version 2.
All third-party code used in Free42 is either in the public domain, or licensed under terms compatible with GPLv2, or used with the authors' permission.
Download Free42 3.5
This release comes in several variants (we currently have 3). Consult our handy FAQ to see which download is right for you.
Version:3.5.1
Uploaded:October 31, 2026 at 10:54PM UTC
File size:952.43 KB
Downloads:11
Version:3.5
Uploaded:October 30, 2026 at 8:58PM UTC
File size:1.60 MB
Downloads:18
Version:3.4.1
Uploaded:October 22, 2026 at 10:56AM UTC
File size:952.43 KB
Downloads:23
Version:3.4
Uploaded:October 16, 2026 at 6:28PM UTC
File size:952.43 KB
Downloads:12
Version:3.3.12
Uploaded:May 4, 2026 at 9:31PM UTC
File size:1.59 MB
Downloads:17
Version:3.3.11
Uploaded:January 13, 2026 at 7:24PM UTC
File size:1.59 MB
Downloads:25
Version:3.3.10
Uploaded:October 28, 2025 at 11:06AM UTC
File size:952.43 KB
Downloads:16
Version:3.3.9a
Uploaded:October 21, 2025 at 3:48PM UTC
File size:1.59 MB
Downloads:21
Version:3.3.9
Uploaded:October 16, 2025 at 4:06PM UTC
File size:952.43 KB
Downloads:9
Version:3.3.8f
Uploaded:October 10, 2025 at 5:19PM UTC
File size:952.43 KB
Downloads:19

































