[R] Where can I download/install grDevices

[Lizblip]

Duncan Murdoch-2 wrote:
> 
> 
> There is no plotmath function.  "plotmath" is the name of the help 
> topic; it describes how various other functions plot text that includes 
> math.
> 
> 
> grDevices is a base package, so if you've got R, you've got it.
> 
> Duncan Murdoch
> 
> 

ok thanks. 

I originally thought this was the case and first tried:

> plot(areas~cell,ylab=expression("Areas (mu*m^2"))

but the text wasn't re-formatted so I thought plotmath must be a separate
function. How is it supposed to work?
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