atanh x
i1 : atanh .4 o1 = .4236489301936018 o1 : RR (of precision 53)
i2 : atanh 4. o2 = .2554128118829954+1.570796326794897*ii o2 : CC (of precision 53)
The object atanh is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Macaulay2Doc/functions/atan-doc.m2:66:0.