The Classic Piping Input screen will pop up in front whenever you move your cursor (you don't have to click it) over the tab labeled "Classic Piping Input" on the left side of the window. Then if you move your cursor over the plot portion the spreadsheet will hide again.
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Loren Brown
Director of Technical Support
CADWorx & Analysis Solutions
Intergraph Process, Power, & Marine
12777 Jones Road, Ste. 480, Houston, TX 77070 USA