etc, and are
not affected by these commands.
25 produces <#87#>bold face roman<#87#> letters. If you wish
to have <#88#>#math45#bold face math italic<#88#> letters, and bold face
Greek letters and mathematical symbols, use the 26 command
<#89#>before<#89#> going into math mode.
This changes the default math fonts to bold.
#eg290#
There is also a calligraphic font for upper case letters
produced by the 27 command.
#eg296#