<function name="Factorial" parent="math" type="libraryfunc"> <description>Simple function that calculates [factorial](https://en.wikipedia.org/wiki/Factorial) of a whole number.</description> <realm>Shared and Menu</realm> <added>2023.11.14</added> <file line="284-L300">lua/includes/extensions/math.lua</file>⤶ <args> <arg name="val_in" type="number">An whole number to get a factorial of. Decimal numbers will be treated as whole numbers.</arg> </args> <rets> <ret name="" type="number">The factorial of given number.</ret> </rets> </function>