9937510582097494459230781640628620899</td></tr>
<tr class="memdesc:ga617fa5738744da8788a057317ddcd78a"><td class="mdescLeft">&#160;</td><td class="mdescRight">2pi to 80 decimal places  <br /></td></tr>
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<tr class="memitem:ga8b6cfe14ecc87fd66c152fbba2467556"><td class="memItemLeft" align="right" valign="top">const float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___co