The Capability Calculations Form performs calculations of Cp, Cpk, and Cpm. Enter the Targets and Specifications, and the mean and standard deviation. For and non-normal analysis, the Upper and Lower Process Limits must be entered, as well as the estimated percent out of the specification limits.
Menu
- File provides the ability Save or Print the output, or return to the Main Form.
- Edit allows Editing Output Text by cutting, copying, pasting, and undoing entry.
- View provides the ability to enlarge/reduce the Form size for easier viewing.
- Help provides access to this Website.
Speed Buttons
These buttons provide quick access to the following tasks.
Returns to last Form or the Main Form.
Saves the output to a file.
Prints the Text.
Copies Selection to the clipboard.
Pastes Text from the clipboard
Enlarges/Reduces Form size for easier viewing.
Brings up the Main Form.
Brings up the Help file.
Hides the form.
Output Text
The calculation output is displayed here when 
is clicked. You may save, print, edit, cut, copy, and paste text in this area.
is clicked. You may save, print, edit, cut, copy, and paste text in this area.Action Button
Performs calculations and displays output.
Decimal Place Change
Changes the number of decimal places, from 0 to 9. Change may be made by selecting and typing in the number, or by using the incrementing buttons.
Mean
Enter the estimated Mean here.
Standard Deviation
Enter the estimated Standard Deviation here.
UPL
For non-normal analysis, enter the estimated Upper Process Limit here.
LPL
For non-normal analysis, enter the estimated Lower Process Limit here.
Specification Checkboxes
Use these checkboxes to activate Specifications when checked.
USL
Enter the Upper Specification Limit here
Target
Enter the Target here.
LSL
Enter the Lower Specification Limit here
Estimated % Out USL
For non-normal analysis, enter the estimated % above the Upper Specification Limit here.
Estimated % Out LSL
For non-normal analysis, enter the estimated % below the Lower Specification Limit here.
Distribution Type
Select whether a Normal or non-normal analysis is being conducted.
Study
Select whether a Short-term or Long-term study is being conducted.