OFFSET
0,1
LINKS
EXAMPLE
arccos((1/2)^(1/3)) = 0.653927942500223366314139292451242...
MATHEMATICA
PROG
(PARI) acos((1/2)^(1/3)) \\ G. C. Greubel, Aug 19 2018
(Magma) SetDefaultRealField(RealField(100)); Arccos((1/2)^(1/3)); // G. C. Greubel, Aug 19 2018
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Sep 23 2011
STATUS
approved