OFFSET
1,4
FORMULA
EXAMPLE
Equals 1.00388482185388721414842394491713228829210446059487057472971...
MAPLE
evalf(arctan(Pi/2)) ;
MATHEMATICA
RealDigits[ArcTan[Pi/2], 10, 120][[1]] (* Harvey P. Dale, Jan 31 2015 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
R. J. Mathar, Nov 20 2013
STATUS
approved