# PHI

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 calculates the value of the density function for the specified standard normal distribution.

## Syntax

PHI(*x*)

## Arguments

For the argument, you can specify any real number that you want to calculate in order to determine the density of the standard normal distribution.

## Remarks

If the values in the arguments passed are invalid (invalid numeric value or invalid data type), this functions returns an error.

## Data Types

Accepts only numeric data. Returns numeric data.

## Examples

`PHI(0.35)` gives the result 0.3752
`PHI(0.4)` gives the result 0.3682

## Version Available

This function is available in Spread for Windows Forms 11.0 or later.