Piano Calculator Plus Publisher: National Spork LLC Genre: Entertainment Released: 5 Sep, 2012 Size: 721.4 KB Price: $0.99 Click here to request a review of this app App Store Info Description This fun calculator plays real piano sounds! The calculator also has memory and copy and paste. What's New in Version 1.2 The sound now works when the ringer volume is muted. Screenshots Screenshot 1 of 4