PCalc 2.3 now available for iPhone, iPad [Give away]

PCalc, one of our favorite iPhone and iPad calculator apps (see Leanna's PCalc review), has just hit version 2.3, and in celebration the developer has very kindly offered us a bunch of promo codes to give away. To you. But first things first:
This free update has many improvements, but the key one is taking advantage of the additional screen space on the iPad. You can now permanently show the paper tape, RPN stack, and memories onscreen in a new sidebar area. This was the number one requested feature from iPad users, and we're happy to be able to add it now.The tape, stack, and memories have had a complete overhaul for the iPhone and iPod touch too, and are now easier to read across all devices, appropriately themed, and with enhanced email support.PCalc is distributed as a universal app - one purchase will work on iPad, iPhone, and iPod touch. No need to buy a separate "HD" version. It requires an iPhone or an iPod touch running OS 3.0 or later, or an iPad running OS 3.2 or later.
Give away after the break!
Let's make this one simple, shall we?
Head on over to our iPad Apps Forum and give us your best, most creative way to let people know about the PCalc update (other than doing a promo code give-away or adding some angry feathered creatures to the app, of course), we'll pick the ones we like best, and you'll get a great app for free. Sound good?
Then get going! Post your idea!
(Promo codes only work in the US App Store, Apple's rule, not ours, and they expire so if you get one, use it quickly!)
[$9.99 - iTunes link]
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Senior Editor at iMore and a practicing therapist specializing in stress and anxiety. She speaks everywhere from conferences to corporations, co-host of Vector and Isometric podcasts, follow her on Twitter @Georgia_Dow and check out her series at anxiety-videos.com.