put"><span class="identifier">precision</span><span class="special">()</span></code>
                      function returned earlier (defining the maximal number of fractional
                      digits) in the sense, that it takes into account trailing zeros.
                      I.e. a real number <code class="computeroutput"><span class="number">0.0123</span></code>
                      and a value of <code class="computeroutput"><span class="number">5</span></code>
                      returned fro