numbers" class="heading hyperref"><span class="number">1.2 </span>Numbers</a></h2>
<p>In the beginning, we must define the main players in the world of math: numbers.</p>
<div id="numbers-definitions" data-tralics-id="uid8" class="subsection" data-number="1.2.1"><h3><a href="#numbers-definitions" class="heading">Definitions</a></h3>
<p>Numbers are the basic objects we use to count, measure, quantify, and calculate things.<span class="intersentencespace"></span> Mathematicians like to classify the different 