--- Introduction ---
Parafocus shooting is a visual exercise about the parabola focus.
Given a picture of a parabola, your task is to click on
the point in the picture which you think is the focus of the parabola.
At the end of a session composed of several shots,
you will be given a score computed according to the
average precision of your shots during the session.
Detailed menu for the parameters of this exercise.
The most recent version
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- Description: shoot at the focus in the picture of a parabola. interactive exercises, online calculators and plotters, mathematical recreation and games
- Keywords: interactive mathematics, interactive math, server side interactivity, geometry, parabola, focus