From Wikipedia, the free encyclopedia
Its numerical value is approximately 
- Robbins, David P.; Bolis, Theodore S. (1978), "Average distance between two points in a box (solution to elementary problem E2629)", American Mathematical Monthly, 85 (4): 277–278, doi:10.2307/2321177.
- Plouffe, Simon, "The Robbins constant", Miscellaneous Mathematical Constants
|This geometry-related article is a stub. You can help Wikipedia by expanding it.|