Nothing
`p1p2.c.b` <-
function (p1,p2) ifelse(!(le(0,p1) && le(p1,1) && le(0,p2) && le(p2,1)), NA, ifelse(eq(p1,0)&>(p2,0), NA, p1*p2))
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.