OFFSET
0,1
EXAMPLE
0.56691150494100940508289774672261915380648023909268233575775947204589...
MAPLE
evalf(arctan(2/Pi));
MATHEMATICA
RealDigits[ArcTan[2/Pi], 10, 90][[1]]
PROG
(PARI) atan(2/Pi) \\ Charles R Greathouse IV, Mar 24 2021
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Bruno Berselli, Nov 21 2013
STATUS
approved