lued_basic_functions.html#real-valued-arithmetic-operators">view current version</a>.
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<div id="real-valued-arithmetic-operators" class="section level2" number="3.6">
<h2><span class="header-section-number">3.6</span> Real-valued arithmetic operators</h2>
<p>The arithmetic operators are presented using C++ notation. For
instance <code>operator+(x,y)</code> refers to the binary addition operator and
<code>operator-(x)</code> to the unary negation operator. In Stan programs,
these are written using the 