x,deg_freedom,tails!This function is available for compatibility with Excel 2007 and earlier. Returns the Student's t-distribution!is ...

!x,deg_freedom,tails!!This function is available for compatibility with Excel 2007 and earlier.
Returns the Student's t-distribution!is the numeric value at which to evaluate the distribution!is an integer indicating the number of degrees of freedom that characterize the distribution!specifies the number of distribution tails to return: one-tailed distribution = 1; two-tailed distribution = 2!