braille picture ¼ size
The table column and row headers each have a 'g'
This may look like a minor thing, but there is no other way
to clearly indicate groups and periods.
for 'group' or a 'p' for 'period' with the number.
In a real Braille picture the top left 'p' would be
too close to the edge.
Copyright © 1989-2002 Marco Schuffelen
Last modified: Sat Dec 29 13:40:44 PST 2001