--This is an emulator for the famous HP-11C scientific calculator with its original skin. Carry your favorite calculator along with you every day and use it together with your favorite library! The HP-11C is a mid-range scientific programmable calculator. Features: ----- • Full emulation of the HP-11C scientific calculator. (You should refer to original HP-11C user guide to learn how to use it.) • Original HD skin files. • Compatible with iOS 7.