Use the calculator that is provided in the Boater's Tools in exercises that show you how to calculate your speed, the distance traveled and to estimate the time to travel a leg of the journey.
(the distance; to estimate; the time to travel a leg of the journey) (the calculator; is provided; L:in the Boater's Tools; L:in exercises) (exercises; show; you; how to calculate your speed) (the distance; traveled; )
the distance the calculator exercises the distance
to estimate is provided show traveled
the time to travel a leg of the journey
L:in the Boater's Tools L:in exercises
you how to calculate your speed