All labels printed on dark blue background here append characters to alpha as well,
but deviate from the labels printed on your WP 34S keyboard at these locations.
Prefix leads to homonymic Greek letters where applicable
3
. And gives
access to logic symbols via the Boolean operations, to as well
3
according to ancient Greek pronunciation. And we assigned Gamma also to C due to
the alphabet, and Chi to H since this letter comes next in pronunciation. Three Greek letters require
special handling: Psi is accessed via (below ), Theta via (below and