OFFSET
0,1
EXAMPLE
= 0.91910665729358842204136171489674270575563073402035114...
= 52°.660932385299557203750879574284228798519442622806897...
= 52°39'.655943117973432225052774457053727911166557368413...
= 52°39'39.3565870784059335031664674232236746699934421048..."
MATHEMATICA
RealDigits[ ArcCos[ 1/Sqrt[ E]], 10, 111][[1]]
PROG
(PARI) acos(exp(-1/2)) \\ Charles R Greathouse IV, Mar 05, 2012
CROSSREFS
KEYWORD
AUTHOR
Robert G. Wilson v, Mar 04 2012
STATUS
approved