Older versions of WRPN are available as Visual Basic/C++ source code
- Version 6.0 - 10 Jan 16
- Version 4.1 - 29 Oct 05
- Version 4.0 - 14 Jul 02
- Version 3.0 - 26 Jun 01
- Version 2.0 - 10 Mar 99
- Version 1.0 - 3 Apr 95
Older versions of WRPN are available as Visual Basic/C++ source code