## Definition

Calculates the inverse of the two-tailed TDIST function.

#### Sample Usage

`TINV(0.35, 1)`

`TINV(A1, A2)`

#### Syntax

`TINV(probability, degrees_freedom)`

#### Notes

`TINV`

is to be used for the inverse of two-tailed `TDIST`

functions.

`TINV`

is synonymous with `T.INV.2T`

.

To calculate the negative inverse of the one-tailed `TDIST`

function, use `T.INV`

.

Both arguments to `TINV`

must be numeric or a destination cell whose value is numeric.

#### See Also

`TDIST`

: Calculates the probability for Student's t-distribution with a given input (x).

`T.INV.2T`

: Calculates the negative inverse of the one-tailed TDIST function.

`T.INV`

: Calculates the inverse of the two-tailed TDIST function.

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