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→Offset logarithmic integral: called ''european'' |
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==Offset logarithmic integral==
The '''offset logarithmic integral''' or '''European logarithmic integral''' is defined as
:<math>{\rm Li}(x) = {\rm li}(x) - {\rm li}(2)</math>
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:<math> {\rm Li} (x) = \int_{2}^{x} \frac{dt}{\ln t} \, </math>
As such, the integral representation has the advantage of avoiding the singularity in the ___domain of integration.
==Series representation==
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