A follow up on http://code.google.com/p/hpcalc-iphone/ which will not been released for free in the App store :( Key update: a all in one solution (HP11C, HP12C, HP15C and HP16c all contained in a single app, click on the HP logo to switch calculator) A few bugs to be ironed out but functional.

Updated	June 24, 2009
License	Free Package