The Main Form is displayed upon opening PERFORM, as shown below.
 
 Opens a Data File or PERFORM Configure File.
 Opens a Data File or PERFORM Configure File. Displays the Data Editor.
 Displays the Data Editor. Displays the Text Output.
 Displays the Text Output. Displays the Performance Charts.
 Displays the Performance Charts. Displays the Box & Whisker Plots.
 Displays the Box & Whisker Plots. Displays the Variables Control Charts Form.
 Displays the Variables Control Charts Form. Displays the Histogram Form.
 Displays the Histogram Form. Displays the Frequency Plots Form.
 Displays the Frequency Plots Form. Brings up this Help system.
 Brings up this Help system. Exits the System
 Exits the System