--- Introduction ---
This is a visual exercise about the parabloa 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.
Choose a level of difficulty to start your exercise:
There is also a
detailed menu for the parameters of this exercise.
This page is not in its usual appearance because WIMS is unable to recognize your
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 This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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