x,deg_freedom1,deg_freedom2!This function is available for compatibility with Excel 2007 and earlier. Returns the (right-tailed) ...

!x,deg_freedom1,deg_freedom2!!This function is available for compatibility with Excel 2007 and earlier.
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!