Nothing
`pcirc` <-
function(gcol='black', border='black', ndiv=36)
{
if(missing(gcol)) { gcol='black' }
if(missing(border)) { border='black' }
if(missing(ndiv)) { ndiv=36 }
phi = seq(0,2*pi, by=2*pi/ndiv);
x = cos(phi);
y = sin(phi);
lines(x,y, col=border)
lines(c(-1,1), c(0,0), col=gcol)
lines(c(0,0), c(-1,1), col=gcol)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.