DLMF:6.5.E4
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Math Formula Information
Formula: Failed to parse (unknown function "\expintEi"): {\displaystyle \tfrac{1}{2}(\expintEi@{x}-\expintE@{x})=\coshint@{x}=\cosint@{ix}-\tfrac{1}{2}\pi i.}
Name: DLMF:6.5.E4
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q2244