[R] how funciton "expression" produces subscript

[Christos Hatzis]

See ?plotmath for the answer to your question and many more regarding math
expression drawing.
It might be worth printing this help page for future reference.

-Christos 

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Jing Yang
Sent: Tuesday, April 18, 2006 10:24 AM
To: r-help
Subject: [R] how funciton "expression" produces subscript

Dear R-users,

does anyone know how funciton "expression" produces subscript?

Best,Jing