Sqr ( double value );    
Description
Calculates the square of an argument.
Input parameters
| Parameter | Default value | Description | 
|---|---|---|
| value | - | Defines number whose square is calculated. | 
Example
declare lower;
plot Data = Sqr(StDev(close, 10));
The example draws the variance of close for the last 10 bars. Variance by definition is a square of the standard deviation.