_Added in 2.3_

*$screenhz*

Returns the refresh rate of the first screen found.

-----------------------------------------------------------------------------

*$screenhz(N)*

Returns the refresh rate of the Nth screen found.

*Parameters*

table(ktable).
|*Parameter*|*Description*|
| N | If N = 0, the number of screens found, otherwise the Nth screen. |

*Example*

<pre>
; Print number of screens.
//echo -ag $screenhz(0)

; Print the refresh rate of the first screen found.
//echo -ag $screenhz(1)
</pre>