An alternative term for a binomial coefficient, in which 
is read as "
choose 
." R. K. Guy suggested this pronunciation
around 1950, when the notations 
and 
were commonly used. Leo Moser liked
the pronunciation and he and others spread it around. It got the final seal of approval
from Donald Knuth when he incorporated it into the TeX mathematical typesetting language
as 
.
Choose
See also
Ball Picking, Binomial Coefficient, Combination, Multichoose, Multinomial Coefficient, Multiset, Permutation, StringExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Choose." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Choose.html