%NOTE -- TO GET EVEN BIGGER SLIDE FONTS YOU CAN USE THESE:
%\magnification=5000 
%\magnification=2000


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%SLIDE FONTS  TO USE:%
%%%   say \twentyfivepoint, or \seventeenpoint, or  \fourteenpoint
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%FIRST YOU LOAD THE NECESSARY FONTS:
%
\font\twentyfourex=cmex10 scaled \magstep5
\font\twentyoneex=cmex10 scaled \magstep4
\font\seventeenex=cmex10 scaled \magstep3
\font\fourteenex=cmex10 scaled \magstep2
\skewchar\twentyfourex='60 \skewchar\twentyoneex='60
\skewchar\seventeenex='60 \skewchar\fourteenex='60
\font\twentyfiverm=cmr10 scaled\magstep5
\font\twentyonerm=cmr10 scaled\magstep4
\font\seventeenrm=cmr10 scaled\magstep3
\font\fourteenrm=cmr10 scaled\magstep2
\font\twentyfivei=cmmi10 scaled\magstep5
\font\twentyonei=cmmi10 scaled\magstep4
\font\seventeeni=cmmi10 scaled\magstep3
\font\fourteeni=cmmi10 scaled\magstep2
\font\twentyfivesy=cmsy10 scaled\magstep5
\font\twentyonesy=cmsy10 scaled\magstep4
\font\seventeensy=cmsy10 scaled\magstep3
\font\fourteensy=cmsy10 scaled\magstep2
\font\tenex=cmex10
\font\eightex=cmex10
\font\twentyfivebf=cmbx10 scaled\magstep5
\font\twentyonebf=cmbx10 scaled\magstep4
\font\seventeenbf=cmbx10 scaled\magstep3
\font\fourteenbf=cmbx10 scaled\magstep2
\font\twentyfivett=cmtt10 scaled\magstep5
\font\twentyonett=cmtt10 scaled\magstep4
\font\seventeentt=cmtt10 scaled\magstep3
\font\fourteentt=cmtt10 scaled\magstep2
\font\twentyfivesl=cmsl10 scaled\magstep5
\font\twentyonesl=cmsl10 scaled\magstep4
\font\seventeensl=cmsl10 scaled\magstep3
\font\fourteensl=cmsl10 scaled\magstep2
\font\twentyfiveit=cmti10 scaled\magstep5
\font\twentyoneit=cmti10 scaled\magstep4
\font\seventeenit=cmti10 scaled\magstep3
\font\fourteenit=cmti10 scaled\magstep2
\newskip\ttglue
\skewchar\twentyfivei='177 \skewchar\twentyonei='177
\skewchar\seventeeni='177 \skewchar\fourteeni='177
\skewchar\twentyfivesy='60 \skewchar\twentyonesy='60
\skewchar\seventeensy='60 \skewchar\fourteensy='60
\hyphenchar\twentyfivett=-1 % inhibit hyphenation in typewriter type
\hyphenchar\twentyonett=-1 \hyphenchar\seventeentt=-1
\hyphenchar\fourteentt=-1
%
%
%SECOND YOU DEFINE THE FONT FAMILIES:
%
\def\seventeenpoint{\def\rm{\fam0\seventeenrm}%
  \textfont0=\seventeenrm \scriptfont0=\fourteenrm
\scriptscriptfont0=\twelverm
  \textfont1=\seventeeni \scriptfont1=\fourteeni
\scriptscriptfont1=\twelvei
  \textfont2=\seventeensy \scriptfont2=\fourteensy
\scriptscriptfont2=\twelvesy
\textfont3=\seventeenex\scriptfont3=\fourteenex
      \scriptscriptfont3=\tenex
  \def\it{\fam\itfam\seventeenit}%
  \textfont\itfam=\seventeenit
  \def\sl{\fam\slfam\seventeensl}%
  \textfont\slfam=\seventeensl
  \def\bf{\fam\bffam\seventeenbf}%
  \textfont\bffam=\seventeenbf \scriptfont\bffam=\fourteenbf
   \scriptscriptfont\bffam=\twelvebf
  \def\tt{\fam\ttfam\seventeentt}%
  \textfont\ttfam=\seventeentt
  \tt \ttglue=.5em plus.25em minus.15em
\rm}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\font\twentyfourex=cmex10 scaled \magstep5
\font\twentyoneex=cmex10 scaled \magstep4
\font\seventeenex=cmex10 scaled \magstep3
\font\fourteenex=cmex10 scaled \magstep2
\skewchar\twentyfourex='60 \skewchar\twentyoneex='60
\skewchar\seventeenex='60 \skewchar\fourteenex='60
%
\font\twentyfiverm=cmr10 scaled\magstep5
\font\twentyonerm=cmr10 scaled\magstep4
\font\seventeenrm=cmr10 scaled\magstep3
\font\fourteenrm=cmr10 scaled\magstep2
\font\twentyfivei=cmmi10 scaled\magstep5
\font\twentyonei=cmmi10 scaled\magstep4
\font\seventeeni=cmmi10 scaled\magstep3
\font\fourteeni=cmmi10 scaled\magstep2
\font\twentyfivesy=cmsy10 scaled\magstep5
\font\twentyonesy=cmsy10 scaled\magstep4
\font\seventeensy=cmsy10 scaled\magstep3
\font\fourteensy=cmsy10 scaled\magstep2
\font\tenex=cmex10
\font\twentyfivebf=cmbx10 scaled\magstep5
\font\twentyonebf=cmbx10 scaled\magstep4
\font\seventeenbf=cmbx10 scaled\magstep3
\font\fourteenbf=cmbx10 scaled\magstep2
\font\twentyfivett=cmtt10 scaled\magstep5
\font\twentyonett=cmtt10 scaled\magstep4
\font\seventeentt=cmtt10 scaled\magstep3
\font\fourteentt=cmtt10 scaled\magstep2
\font\twentyfivesl=cmsl10 scaled\magstep5
\font\twentyonesl=cmsl10 scaled\magstep4
\font\seventeensl=cmsl10 scaled\magstep3
\font\fourteensl=cmsl10 scaled\magstep2
\font\twentyfiveit=cmti10 scaled\magstep5
\font\twentyoneit=cmti10 scaled\magstep4
\font\seventeenit=cmti10 scaled\magstep3
\font\fourteenit=cmti10 scaled\magstep2
\newskip\ttglue
\skewchar\twentyfivei='177 \skewchar\twentyonei='177
\skewchar\seventeeni='177 \skewchar\fourteeni='177
\skewchar\twentyfivesy='60 \skewchar\twentyonesy='60
\skewchar\seventeensy='60 \skewchar\fourteensy='60
\hyphenchar\twentyfivett=-1 % inhibit hyphenation in typewriter type
\hyphenchar\twentyonett=-1 \hyphenchar\seventeentt=-1
\hyphenchar\fourteentt=-1
%
\def\twentyfivepoint{\def\rm{\fam0\twentyfiverm}%
  \textfont0=\twentyfiverm \scriptfont0=\seventeenrm
\scriptscriptfont0=\fourteenrm
  \textfont1=\twentyfivei \scriptfont1=\seventeeni
\scriptscriptfont1=\fourteeni
  \textfont2=\twentyfivesy \scriptfont2=\seventeensy
\scriptscriptfont2=\fourteensy
\textfont3=\twentyfourex\scriptfont3=\twentyoneex
      \scriptscriptfont3=\seventeenex
  \def\it{\fam\itfam\twentyfiveit}%
  \textfont\itfam=\twentyfiveit
  \def\sl{\fam\slfam\twentyfivesl}%
  \textfont\slfam=\twentyfivesl
  \def\bf{\fam\bffam\twentyfivebf}%
  \textfont\bffam=\twentyfivebf \scriptfont\bffam=\seventeenbf
   \scriptscriptfont\bffam=\fourteenbf
  \def\tt{\fam\ttfam\twentyfivett}%
  \textfont\ttfam=\twentyfivett
  \tt \ttglue=.5em plus.25em minus.15em
\rm}
%
%%%%%%%%%%%%%%%%%%%EXAMPLES:
%
%%%%%%%%%%%%%%%%%%%SPECIAL DEFINITIONS FOR EZEHELA
%\def\mbox#1{{\ifmmode#1\else$#1$\fi}}
%\def\pbar{\mbox{\overline p}}
%\def\chitildezerozero{\mbox{\widetilde\chi{}^0_0}}
%\def\chitildebarzerozero{\mbox{\overline{\widetilde\chi}{}^0_0}}
%
%
%\bigskip
%\twentyfivepoint
%$$\pbar$$
%$$\chitildezerozero$$
%$$\chitildebarzerozero$$
%\bye