HP unveils three classic calculators for iPhone

HP unveiled three classic calculators as iPhone apps: The HP 12c, HP 12c Platinum, and HP 15C. Although the exact look and feel of these calculators is cool enough, the most amazing bit is that the apps actually use the original ROM code. They're programmable, too, just like the originals. Unfortunately, because this is HP we're talking about, they're also overpriced: They cost $15, $20 and $30, respectively.