OFFSET
2,1
COMMENTS
Widely used as a cutoff line of web maps which use the web Mercator projection.
FORMULA
Equals arctan(sinh(Pi))*180/Pi.
Equals 360/Pi*arctan(exp(Pi)) - 90.
EXAMPLE
85.05112877980659237779671552192469206698259126842068...
MATHEMATICA
RealDigits[ArcTan[Sinh[Pi]]/Degree, 10, 100][[1]] (* Amiram Eldar, Mar 06 2023 *)
PROG
(PARI) atan(sinh(Pi))*180/Pi \\ Michel Marcus, Mar 06 2023
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Donghwi Park, Mar 06 2023
STATUS
approved