it pub_methods_classChart_1_1Base"><td class="mdescLeft">&#160;</td><td class="mdescRight">find good values for the minimum and maximum y-value on the chart  <a href="#acb2fe91b2d57e43d84b1bc6f092ac68d"></a><br/></td></tr>
<tr class="memitem:a23f7394cb8c7bbe6a5d0e05582e038c9 inherit pub_methods_classChart_1_1Base"><td class="memItemLeft" align="right" valign="top">private&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChart_1_1Base.html#a23f7394cb8c7bbe6a5d0e05582e038c9">_calcTi