# FISHERINV

Spread for WinForms provides advanced software components that support Excel import/export, full cell customization, an extensive calculation engine with over 450 functions and more, all with zero dependencies on Excel.

## Content



This function returns the inverse of the Fisher transformation for a specified value.

## Syntax

FISHERINV(*value*)

## Arguments

The argument is the specified numeric value.

## Remarks

Use this transformation when analyzing correlations between ranges or arrays of data.This function calculates the inverse of the Fisher transformation, so if *y* = [FISHER](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsDtoG/FunctionFISHER)(*x*), then FISHERINV(*y*) = *x*.
The inverse Fisher transformation is calculated as follows:
![FISHERINV Equation](https://cdn.mescius.io/document-site-files/images/0ed25d3e-6b2a-4cf0-8f1b-7ed5ab18cf12/artwork/func-fisherinv.png)
where y is the *value* argument.

## Data Types

Accepts numeric data. Returns numeric data.

## Examples

`FISHERINV(A43)`
`FISHERINV(R4C12)`
`FISHERINV(0.56)` gives the result 0.5079774329

## Version Available

This function is available in product version 1.0 or later.

## See Also

[FISHER](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsDtoG/FunctionFISHER) \| [Statistical Functions](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-functs/formulas-functtypes/formulas-functsstats)