Changed memory button functionality.  Added the M display on the left when the user manipulates memory.
Added a header menu bar with save settings and help.
Changed the layout to make sure that all the buttons have the same size fonts.  Fixed the auto layout features.  Fixed the help file.  Fixed the issue that was being had with the numbers showing the trailing dots.
Autolayout is now working for large and smaller screen on iPhone.
Fixed Autolayout issues.  Now works perfectly on iOS 7, iPhone 3.5 inch.
Fixed all auto layout issues.