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 ExpIntegralEi

 http://functions.wolfram.com/06.35.21.0025.01

 Input Form

 Integrate[(E^(a z) ExpIntegralEi[a z])/z, z] == (1/2) ExpIntegralEi[a z]^2

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[FractionBox[RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List["a", " ", "z"]]], " ", RowBox[List["ExpIntegralEi", "[", RowBox[List["a", " ", "z"]], "]"]]]], "z"], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", RowBox[List[FractionBox["1", "2"], " ", SuperscriptBox[RowBox[List["ExpIntegralEi", "[", RowBox[List["a", " ", "z"]], "]"]], "2"]]]]]]]

 MathML Form

 a z Ei ( a z ) z z 1 2 Ei ( a z ) 2 z a z ExpIntegralEi a z z -1 1 2 ExpIntegralEi a z 2 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[FractionBox[RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List["a_", " ", "z_"]]], " ", RowBox[List["ExpIntegralEi", "[", RowBox[List["a_", " ", "z_"]], "]"]]]], "z_"], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox["1", "2"], " ", SuperscriptBox[RowBox[List["ExpIntegralEi", "[", RowBox[List["a", " ", "z"]], "]"]], "2"]]]]]]]

 Date Added to functions.wolfram.com (modification date)

 2001-10-29