Added warmups

Misc/Warm-Ups/fmod.tex

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+\documentclass[
+	solutions,
+	hidewarning,
+	singlenumbering,
+	nopagenumber
+]{../../resources/ormc_handout}
+\usepackage{../../resources/macros}
+
+
+\title{Warm-Up: \texttt{fmod}}
+\subtitle{Prepared by \githref{Mark} on \today.}
+
+\begin{document}
+
+	\maketitle
+
+	\problem{}
+	I'm sure you're all familiar with how \texttt{mod(a, b)} and \texttt{remainder(a, b)} work with integers. \par
+	Devise an equivalent for floats (i.e, real numbers).
+
+\end{document}