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<H2><A ID="SECTION00041000000000000000">
Math font attributes</A>
</H2><FONT SIZE="+4"><I>
The selection of fonts within math mode is quite different to that of
text fonts.
Some math fonts are selected explicitly by one-argument commands such
as |<#236#>max<#236#>| or |<#237#>vec<#237#>|: these are called <B>math
alphabets</B>. These math alphabet commands affect only the font used
for letters and symbols of type || (see
Section~<A HREF=<tex2html_cr_mark>#Sec:math.commands#239><tex2html_cr_mark></A>); other symbols within the argument
will be left unchanged. The predefined math alphabets are:
<#240#>center<#240#>
<#241#>tabular<#241#><#242#>ccc<#242#>
<B>Alphabet</B> ;SPMamp; <B>Description</B> ;SPMamp; <B>Example</B>
<BR> || ;SPMamp; default ;SPMamp; <I>abcXYZ</I>
<BR> || ;SPMamp; roman ;SPMamp; <tex2html_verbatim_mark>#math80#abcXYZ
<BR> || ;SPMamp; bold roman ;SPMamp; <tex2html_verbatim_mark>#math81#<B>abcXYZ</B>
<BR> || ;SPMamp; sans serif ;SPMamp; <tex2html_verbatim_mark>#math82#<tex2html_image_mark>#tex2html_wrap_inline1789#
<BR> || ;SPMamp; text italic ;SPMamp; <tex2html_verbatim_mark>#math83#<I>abcXYZ</I>
<BR> || ;SPMamp; typewriter ;SPMamp; <tex2html_verbatim_mark>#math84#<TT>abcXYZ</TT>
<BR> || ;SPMamp; calligraphic ;SPMamp; <tex2html_verbatim_mark>#math85#<tex2html_image_mark>#tex2html_wrap_inline1793#
Other math fonts are selected implicitly by T<SMALL>E</SMALL>X<#254#><#254#> for symbols, with
commands such as |&oplus#oplus;| (producing ⊕) or with straight
characters like |;SPMgt;;SPMgt;| or |+|. Fonts containing such math symbols are
called <B>math symbol fonts</B>. The predefined math symbol fonts
are:
<#256#>center<#256#>
<#257#>tabular<#257#><#258#>ccc<#258#>
<B>Symbol font</B> ;SPMamp; <B>Description</B> ;SPMamp; <B>Example</B>
<BR> |operators| ;SPMamp; symbols from || ;SPMamp; [ + ]
<BR> |letters| ;SPMamp; symbols from || ;SPMamp; ;SPMlt; ;SPMlt; <tex2html_image_mark>#tex2html_wrap_inline1797# ;SPMgt; ;SPMgt;
<BR> |symbols| ;SPMamp; most L<SUP><SMALL>A</SMALL></SUP>T<SMALL>E</SMALL>X<#262#><#262#> symbols ;SPMamp; ≤*≥
<BR> |largesymbols| ;SPMamp; large symbols ;SPMamp; <tex2html_verbatim_mark>#math86#<tex2html_image_mark>#tex2html_wrap_inline1800#<tex2html_image_mark>#tex2html_wrap_inline1801#<tex2html_image_mark>#tex2html_wrap_inline1802#
Some math fonts are both <B>math alphabets</B> and <B>math symbol
fonts</B>, for example || and |operators| are the same font, and
|| and |letters| are the same font.
Math fonts in L<SUP><SMALL>A</SMALL></SUP>T<SMALL>E</SMALL>X<#267#><#267#> have the same five attributes as text fonts:
encoding, family, series, shape and size. However, there are no
commands that allow the attributes to be individually changed.
Instead,
the conversion from math fonts to these five attributes is controlled
by the <B>math version</B>. For example, the |normal| math version
maps:
<#269#>center<#269#>
<#270#>tabular<#270#><#812#>rlc@<#271#> <#271#>c@<#272#> <#272#>c@<#273#> <#273#>c<#812#>
<tex2html_image_mark>#tex2html_accent_inline1803#</I></FONT>