[R] how to write symbol (nabla) in R graph

Dieter Menne dieter.menne at menne-biomed.de
Fri Jun 20 09:03:26 CEST 2008

Nuno Prista <nmprista <at> fc.ul.pt> writes:

> Can anyone of you tell me how to write a "nabla" symbol in an R graph?

I have not tested it, but according to


nabla is Unicode [0321]

Check documentation on plothmath how to use it.

Note: the documents cited in plotmath are huge, and it would be nice to have
something like the gnu-reference I google for a short list.


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