Free42 v1.4.61 is released.Free42 is a complete re-implementation of the HP-42S scientific programmable RPN calculator,was made from 1988 until 1995 by Hewlett-Packard and the HP-82240 printer. Free42 was written from scratch, without using any HP code. You do not need any ROM images in order to use it, yet it is fully HP-42S compatible.

Free42 v1.4.61 Changelog:
* Decimal version: ->OCT (decimal-to-octal conversion) was broken; it actually
converted octal to decimal. Fixed.

Download: Free42 v1.4.61
Source:Here