Revision History

6.0.8 11 Jan 16
6.0.7 22 Jul 15
6.0.6 1 Mar 14
6.0.5 14 Aug 13
6.0.4 29 May 12
6.0.3 5 May 12
6.0.2 26 Apr 12
6.0.1 29 Mar 12
6.0.0 5 Feb 12

Release Notes

Windows Reverse Polish Notation (WRPN) is a public domain calculator for Microsoft Windows that is modeled after the Hewlett-Packard HP-16c. This is not a Hewlett-Packard product.

WRPN uses Reverse Polish Notation, which uses the ENTER key instead of the "=" (equals) key.

In addition to all the functions you'd expect from an ordinary calculator, WRPN also has many features specifically designed for the computer professional:

Running WRPN

Just install and launch the program to start using WRPN. Alternately, you can use the on-line web version of WRPN. The WRPN screen looks like the following:


Other Projects

View other projects by Emmet Gray at: