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Returns the arctangent of a given value with a given accuracy.
Fn.ArcTanN(Val:RAT,Acc:INT):RAT
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This function returns the arctangent of
Val rounded to the given
accuracy
Acc.
- @param Val Value of which to compute the arctangent.
- @param Acc The desired accuracy.
- @return The arctangent of Val rounded to the given accuracy Acc.
R := Fn.ArcTanN(1/2, 30);
Dec(R, 40);
0.463647609000806116214256231461
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