> John VanSickle wrote:
> 
>>Jellby wrote:
>>
>>>  #declare X=Rmin*sqrt(1-Rmaj*Rmaj/(Rmin*Rmin));
>>
>>Why not X=sqrt(Rmin*Rmin-Rmaj*Rmaj) ?
> 
> 	Because Jellby's version gives more precision? ;)

Well, it probably doesn't, but thanks for trying!

Regards,
John

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