To operate the software, enter the values for busy hour offered traffic (in minutes) and the desired grade of service (probability of call blocking, where .02 = P02 = 2%). Tap the Calculate button and the number of circuits needed will be displayed. Tap Details to display a grid showing the carried minutes for each circuit. Tap Chart to get a color graph of the incremental and cumulative minutes of the group. Tap Export to write the circuit detail grid to a Palm Memo, for easy sync and paste to desktop applications. The Memo's title will be set according to the name specified in the Export Name entry area.