Documentation1

_formulas.tex

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+\documentclass{article}
+\usepackage{ifthen}
+\usepackage{epsfig}
+\usepackage[utf8]{inputenc}
+\usepackage{newunicodechar}
+  \newunicodechar{⁻}{${}^{-}$}% Superscript minus
+  \newunicodechar{²}{${}^{2}$}% Superscript two
+  \newunicodechar{³}{${}^{3}$}% Superscript three
+
+\pagestyle{empty}
+\begin{document}
+$[-2^{53}+1, 2^{53}-1]$
+\pagebreak
+
+\end{document}