calcS16 app for iPhone and iPad

This is calculator App. CalcS16 fullVersion.
-. Decimal/Hexadecimal calculation.
-. Moving-view is implemented for typing miss.
-. Use variable font size for the misreading.
-. Support metric prefix.( G,M,k,m,u,n,p)
-. Seamless change the background color
-. Volume 5 step

Flick to up/down, you will be understand the operation.
when you want to g the numeric pad.
"S" key is recommended.

detail
. This is the calculator app with sequential processing.
. Mixed calculation of hexadecimal is possible.
. if you do not touch screen during 30s. then screen change to clock.
. Backgound color is changed to seamless.
. Add metric prefix : "exp" double touching.
. Convert metric prefix : "=" double touching.

· Setting>calcS16> MoveSubView : use moving subView
· SettingcalcS16> WakeUpPlugIn : use disable lock at the using power code.
· Setting> calcS16> ConditionHome : use auto scroll at the touching operation button.

please give me advise  for usability improvement.