[Kayakeur]

There is a button for Definitions on right side of screen next to “Sailboat Calculations”.
Good explanations.
However, there are no definitions for I, J, P, and E.
What are they?
Thanks,
Kayakeur
Venture of Newport 23 swing keel trailerable cutter
in the eastern foothills of Shenandoah Mountains, Virginia, near Chesapeake Bay

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