[plt-scheme] Keyboard shortcut to delta

Hi all,

Using 209, is there a keyboard shortcut for delta, I use C-\
for lambda but can't find one for delta. Is there one, or can I
had one?

Cheers,
-- 
Paulo Jorge Matos - pocm at sat inesc-id pt
Engº de Informática e Computadores
INESC-ID - Grupo SAT - MathSAT