Factorial

Factorial(n)

n!

returns the factorial number of the integer n

See

• Wikipedia - Factorial
• Fungrim - Factorials and binomial coefficients

Examples

>> Factorial(3)
6

>> 4!
24

>> 10.5!
1.1899423083962249E7

>> !a! //FullForm
Not(Factorial(a))

Implementation status

• ✅ - full supported

Github

• Implementation of Factorial