# T.INV.2T

## Content

This function returns the t-value of the student's t-distribution as a function of the probability and the degrees of freedom.

## Syntax

`T.INV.2T(prog, deg)`

## Arguments

This function has these arguments:

| Argument | Description |
| -------- | ----------- |
| *prog* | [Required] Probability of the two-tailed student’s t-distribution |
| *deg* | [Required] Number of degrees of freedom to characterize the distribution; if not an integer, the number is truncated |

## Remarks

The #VALUE! error value is returned if any argument is non-numeric.

## Examples

`T.INV.2T(A4,2)`
`T.INV.2T(0.68,4)` gives the result 0.44400612800394834