# Template:Potd/2019-01-05 (en)

Circular paraboloid generated by ${\displaystyle z=-a(x^{2}+y^{2}),a>0}$.

This is the English translation of the Picture of the day description page from .

Circular paraboloid generated by ${\displaystyle z=-a(x^{2}+y^{2}),a>0}$.

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