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  <li><a href="#integrate-1d" id="toc-integrate-1d" class="nav-link active" data-scroll-target="#integrate-1d">Computing One Dimensional Integrals</a>
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  <li><a href="#calling-the-integrator" id="toc-calling-the-integrator" class="nav-link" data-scroll-target="#calling-the-integrator">Calling the integrator</a>
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