Functions > Symbolic Functions > Other Symbolic Functions
  
Other Symbolic Functions
denom(x)—Returns the denominator of a fraction or of a rational expression.
numer(x)—Returns the numerator of a fraction or of a rational expression.
fact2(n)—Returns the product of all odd numbers 1x3x5 ... xn if n is odd, or the product of all even numbers 2x4x6 ... xn if n is even.
IsPrime(m)—Returns 1 if n is a prime number and 0 otherwise.
Arguments
x is a fraction or rational expression.
n is an integer greater than or equal to –1.
m is an integer.