probability,deg_freedom!This function is available for compatibility with Excel 2007 and earlier. Returns the two-tailed ...

!probability,deg_freedom!!This function is available for compatibility with Excel 2007 and earlier.
Returns the two-tailed inverse of the Student's t-distribution!is the probability associated with the two-tailed Student's t-distribution, a number between 0 and 1 inclusive!is a positive integer indicating the number of degrees of freedom to characterize the distribution!