OFFSET
0,1
LINKS
Eric Weisstein's World of Mathematics, Hyperbolic Secant
EXAMPLE
0.76500995...
MAPLE
Digits:= 120:
fsolve(x*cosh(x)=1, x=0..1); # Robert Israel, Jan 07 2015
MATHEMATICA
RealDigits[x/.FindRoot[x*Cosh[x]==1, {x, 1}, WorkingPrecision->120]][[1]] (* Harvey P. Dale, Jan 06 2015 *)
PROG
(PARI) solve(x=0, 1, x*cosh(x)-1) \\ Michel Marcus, Jan 06 2015
CROSSREFS
KEYWORD
AUTHOR
Benoit Cloitre, Apr 30 2002
EXTENSIONS
Corrected by Harvey P. Dale, Jan 06 2015
STATUS
approved