Question 1076293
<pre><font size=4>
 _
&#8730;6 is about 2.449, a tiny bit less than {{{2&1/2}}}

So mark  a tiny bit less than half-way between 2 and 3,
like this:                   _
                            &#8730;6
-----------------------------&#9787;-----------------------
-3   -2   -1    0    `1    2    3    4    5    6    7


Edwin</pre></b>