G=
  R/  //all below is calculated then divided into R
    (  //D
     (  //C
      sin(R^2+y)/ //third
       (  //B
        cos(phi)*  //second
         (  //A
          sqrt(phi*z)  //first, due to being deepest enclosed part
         )  //A
       )  //B
     )  //C
    )  //D

You had a missing parenthesis after "sin", typo? Other than that I'm
clueless, I always surround everything I can with parenthesis when in
doubt about which will get applied first, second, etc. Doing as I did here
shows how the parts go together, like I often do when writing any other
statement out. Although here I've labeled it all too.
The following URL was interesting to find, has a link to the POV-Ray
Online
Tutorial amid some other mathematical links.

http://tqd.advanced.org/teacherscorner/geometry.html

http://home.pacbell.net/tylereng/links.htm#Math

In the same search I got the Ken Tyler links web page, above.
Hope I've done the example correctly, even if absurd; who's next to step
in and show the way? (and greatly more qualified to do so)


Psychomek wrote:
> 
> Is there ANY tutorials about how to map out mathematical equations in
> povray?
> Like G=R/((sin R^2+y)/(cos(phi)*(sqrt(phi*z)))) {I think this equation
> is right had to convert from proper format to linear format and i took
> part of the equation form My Electronic Math book from college} please
> if anyone can help please do so!

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