"Marc-Hendrik Bremer" <Mar### [at] t-onlinede> wrote in message
news:3b9b63d0@news.povray.org...
> Afaik atan is only used in Julia Fractals. There are atan2 and atanh as
> float functions.
>
> Marc-Hendrik

atan(FLOAT) is in :

6.1.3 Float expression / FLOAT_FUNCTION


Philippe

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