ia.org/wiki/Euler%E2%80%93Mascheroni_constant" target="_top">Euler-Mascheroni
                gamma constant</a>
              </p>
            </td>
</tr>
<tr>
<td>
              <p>
                one_div_euler
              </p>
            </td>
<td>
              <p>
                1/euler
              </p>
            </td>
<td>
              <p>
                1.73245
              </p>
            </td>
<td>
            </td>
</tr>
<tr>
<td>
              <p>
                euler_sqr
          