Command Reference : Function Reference : Function Reference: F
  
 
@fact
Factorial function.
Syntax: @fact(x)
x: integer
Return: number
for integer . Note that this function is subject to overflow for large .
• @gamma may be used to obtain results for real valued .
• Related, stable calculations for the logarithm of @fact may be obtained using @factlog.
Examples
= @fact(3)
returns 6.
Cross-references
See also @factlog.