u">mean</span>(<span class="fu">num</span>(<span class="dv">1</span><span class="sc">:</span><span class="dv">3</span>, <span class="at">notation =</span> <span class="st">&quot;eng&quot;</span>))</span>
<span id="cb6-5"><a href="#cb6-5" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; &lt;pillar_num(eng)[1]&gt;</span></span>
<span id="cb6-6"><a href="#cb6-6" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; [1] 2e0</span></span>
<span id="cb6-7"><a href="#cb6-7" aria-hidden="true" tabi