x,deg_freedom1,deg_freedom2!Returns the (right-tailed) F probability distribution (degree of diversity) for two data sets!is ...

!x,deg_freedom1,deg_freedom2!!Returns the (right-tailed) F probability distribution (degree of diversity) for two data sets!is the value at which to evaluate the function, a nonnegative number!is the numerator degrees of freedom, a number between 1 and 10^10, excluding 10^10!is the denominator degrees of freedom, a number between 1 and 10^10, excluding 10^10!