html, body, form { margin: 0; padding: 0; width: 100%; } #calculate { position: relative; width: 177px; height: 110px; background: transparent url(/images/alphabox/embed_functions_inside.gif) no-repeat scroll 0 0; } #i { position: relative; left: 18px; top: 44px; width: 133px; border: 0 none; outline: 0; font-size: 11px; } #eq { width: 9px; height: 10px; background: transparent; position: absolute; top: 47px; right: 18px; cursor: pointer; }

 Erf

 http://functions.wolfram.com/06.26.07.0001.01

 Input Form

 Erf[Subscript[z, 1], Subscript[z, 2]] == (2/Sqrt[Pi]) Integrate[E^(-t^2), {t, Subscript[z, 1], Subscript[z, 2]}]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["Erf", "[", RowBox[List[SubscriptBox["z", "1"], ",", SubscriptBox["z", "2"]]], "]"]], "\[Equal]", RowBox[List[FractionBox["2", SqrtBox["\[Pi]"]], " ", RowBox[List[SubsuperscriptBox["\[Integral]", SubscriptBox["z", "1"], SubscriptBox["z", "2"]], RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List["-", SuperscriptBox["t", "2"]]]], RowBox[List["\[DifferentialD]", "t", " "]]]]]]]]]]]]

 MathML Form

 erf ( z 1 , z 2 ) 2 π z 1 z 2 - t 2 t Erf Subscript z 1 Subscript z 2 2 1 2 -1 t Subscript z 1 Subscript z 2 -1 t 2 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Erf", "[", RowBox[List[SubscriptBox["z_", "1"], ",", SubscriptBox["z_", "2"]]], "]"]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List["2", " ", RowBox[List[SubsuperscriptBox["\[Integral]", SubscriptBox["zz", "1"], SubscriptBox["zz", "2"]], RowBox[List[SuperscriptBox["\[ExponentialE]", RowBox[List["-", SuperscriptBox["t", "2"]]]], RowBox[List["\[DifferentialD]", "t"]]]]]]]], SqrtBox["\[Pi]"]]]]]]

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

 2001-10-29