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Math Video Game! Play Decimals in Space! Use your reflexes & mathematical knowledge to shoot the right rocks!

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A circle is a special kind of ellipse

A circle is a speical kind of ellipse with the following features

a = b
c = 0 (where ce is the distance from the center to a focus)
the foci are at the same point so there is really only 1 focus
the minor axis is the same length as the major
the eccentricity of the ellipse is zero

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