To: atm{at}shore.net
From: MLThiebaux 
Reply-To: MLThiebaux 


Jerry wrote:

>...
>   The curve is parabolic and the surface is a paraboloid. Parabolic
>(having the form of a parabola) could refer to either a  two or three
>dimentional parabola.
>Paraboloid refers to a three dimentional surface having the form of a
>parabola.  To say your mirror is parabolic is to say it has the form of
>a parabola. To say it is a paraboloid is to say that its surface has the
>form of a parabola.
>
>   Parabolic is easier to type.
>
>Jerry



Also when talking about figuring most find it easier to say
"parabolize" than "paraboloidize".

Martial Thiebaux
Rawdon Hills, Nova Scotia

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