OFFSET
1,1
COMMENTS
Identified by Knuth as one of those "quantities that are frequently used in standard subroutines and in analysis of computer programs." - Alonso del Arte, Feb 03 2012
REFERENCES
D. E. Knuth, The Art Of Computer Programming, Vol 1: Fundamental Algorithms, Addison-Wesley, 1968.
LINKS
Greg Egan, Puzzle in which this value arises naturally
Grant Sanderson and Brady Haran, Darts in Higher Dimensions, Numberphile video (2019)
EXAMPLE
Exp(Pi/4) = 2.1932800507380154565597696592787382234616+ according to Knuth, appendix B, table 1.
MAPLE
evalf(exp(Pi/4), 125); # Alois P. Heinz, Nov 17 2019
MATHEMATICA
RealDigits[ E^(Pi/4), 10, 111][[1]] (* Robert G. Wilson v, May 29 2009 *)
PROG
(PARI) exp(Pi/4) \\ Charles R Greathouse IV, Jan 04 2016
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Hagen von Eitzen, May 16 2009
EXTENSIONS
More terms from Robert G. Wilson v, May 29 2009
STATUS
approved