Mac users interested in Emu48 for os x generally download:
Emu48 is the definitive emulator for HP calculators. This is a port for Mac OS X. It has been tested under OS X 10.2.x and 10.3.x, and may or may not work under earlier or later OS versions. The emulator adopts Aqua conventions such as sheets. Drag and drop is functional, and you can drag a saved stack object from the Finder to the calculator to push it onto the stack.
Additional suggestions for Emu48 for os x by our robot: