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--- 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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Please take note that WIMS pages are interactively generated; they are not ordinary
HTML files. They must be used interactively ONLINE. It is useless
for you to gather them through a robot program.
- Description: shoot at the focus in the picture of a parabola. exercises interactifs, calcul et tracÚ de graphes en ligne
- Keywords: interactive mathematics, interactive math, server side interactivity, geometry, parabola, focus