quo; prompt you can enter the unit
in which you want the previously-entered value.
For example,
</p>
<div class="example">
<pre class="example">You have: 80 km/h
You want: mi/h
    80 km/h = 49.7097 mi/h
    x/(mi/h) = 0.621371*(x/(km/h))
You have:
</pre></div>

<p>The first line after &ldquo;<kbd>You want:</kbd>&rdquo; shows the &ldquo;have&rdquo; value in the 
desired &ldquo;want&rdquo; unit.
</p>
<p>The second line shows the transformation between numerical values
in the &ldquo;have&rdquo; unit to numeri