APLX Help : Help on APL language : APL Primitives : ! Factorial




Oneargument form See also twoargument form Binomial When applied to a positive whole number, ! 3 (Equivalent of 1×2×3) 6 If the argument is noninteger and positive, ! 2.5 3.32335097 

APLX Help : Help on APL language : APL Primitives : ! Factorial

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