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%%  Ein Beispiel der DANTE-Edition
%%  Mathematiksatz mit LaTeX
%%  3. Auflage
%%  Beispiel 08-02-3 auf Seite 161.
%%  Copyright (C) 2018 Herbert Voss
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%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%  See http://www.latex-project.org/lppl.txt for details.
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\documentclass[10pt]{screxa}
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\setlength\textwidth{98.40707pt}
\AtBeginDocument{\setlength\parindent{0pt}}
%StartShownPreambleCommands
\usepackage{array,mathptmx}
%StopShownPreambleCommands
\begin{document}
$\mathrm{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathnormal{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathcal{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathbf{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathit{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathtt{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
$\mathsf{123aicAIC\alpha\iota\gamma(\the\fam)}$\\[5pt]
\end{document}