HP Spice series simulators for iPhone

[bshoring]

The latest update (June 2016) offers a live Register View. You can even single step in the register view so you can see what happens with each register as you SST. Can also R/S in the register view. Another nice feature is recall arithmetic on the Last X (e.g. RCL X Last X). I especially like that when saving programs to Dropbox I can also save constants. Really nice update to the two Spice series simulators (HP-32E & HP-38C). Likewise many similar additions to the HP-67 simulator for iPhone.