Desmos, 18 bytes
a=1
\prod _{n=1}^an
#Desmos, 18 bytes a=1 \prod _{n=1}^an UsesUses the formula for a! instead of a!
#Desmos, 18 bytes a=1 \prod _{n=1}^an Uses the formula for a! instead of a!
Desmos, 18 bytes
a=1
\prod _{n=1}^an
Uses the formula for a! instead of a!
#Desmos, 18 bytes a=1 \prod _{n=1}^an Uses the formula for a! instead of a!