Free42 v1.5 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 v1.5 Changelog:
Free42 1.5 has improved decimal floating-point, thanks to the Intel Decimal Floating-Point Math Library.
Currently, this only works on Windows, Linux, and Mac, but Android and iOS versions are also planned.

Download: Free42 v1.5
Source: Here