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: 10px; } #eq { width: 9px; height: 10px; background: transparent; position: absolute; top: 47px; right: 18px; cursor: pointer; }

 ArcCosh

 http://functions.wolfram.com/01.26.16.0165.01

 Input Form

 ArcCosh[x] + ArcSin[y] == I Pi (1 - (-1)^(Floor[-(Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^ I + 1]/(2 Pi))] - Floor[-(Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^I]/ (2 Pi))])) + (-1)^(Floor[-(Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^I]/ Pi)] - Floor[-(Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/ (I y + Sqrt[1 - y^2])^I - 1]/(2 Pi))] + Floor[Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^I]/Pi - (2 Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^I - 1])/ Pi] + Floor[-(Arg[(x + Sqrt[x - 1] Sqrt[x + 1])/(I y + Sqrt[1 - y^2])^ I + 1]/(2 Pi))]) ArcCosh[((I y + Sqrt[1 - y^2])^I ((x + Sqrt[x - 1] Sqrt[x + 1])^2/ (I y + Sqrt[1 - y^2])^(2 I) + 1))/ (2 (x + Sqrt[x - 1] Sqrt[x + 1]))] - 2 I Pi (Floor[(-Arg[x + Sqrt[x - 1] Sqrt[x + 1]] - Arg[(I y + Sqrt[1 - y^2])^(-I)] + Pi)/(2 Pi)] + Floor[(Pi - Im[Log[x + Sqrt[x - 1] Sqrt[x + 1]]])/(2 Pi)] + Floor[(Re[Log[I y + Sqrt[1 - y^2]]] + Pi)/(2 Pi)])

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ArcCosh", "[", "x", "]"]], "+", RowBox[List["ArcSin", "[", "y", "]"]]]], "\[Equal]", " ", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List[RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List["Arg", "[", RowBox[List[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "y"]], "+", SqrtBox[RowBox[List["1", "-", SuperscriptBox["y", "2"]]]]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], " ", RowBox[List["(", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["x", "-", "1"]]], " ", SqrtBox[RowBox[List["x", "+", "1"]]]]]]], ")"]]]], "+", "1"]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]], "-", RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List["Arg", "[", RowBox[List[RowBox[List["(", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["x", 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RowBox[List[SqrtBox[RowBox[List["x", "-", "1"]]], " ", SqrtBox[RowBox[List["x", "+", "1"]]]]]]], "]"]]]], "-", RowBox[List["Arg", "[", SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "y"]], "+", SqrtBox[RowBox[List["1", "-", SuperscriptBox["y", "2"]]]]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List["\[Pi]", "-", RowBox[List["Im", "[", RowBox[List["Log", "[", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["x", "-", "1"]]], " ", SqrtBox[RowBox[List["x", "+", "1"]]]]]]], "]"]], "]"]]]], RowBox[List["2", " ", "\[Pi]"]]], "]"]], "+", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["Re", "[", RowBox[List["Log", "[", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "y"]], "+", SqrtBox[RowBox[List["1", "-", SuperscriptBox["y", "2"]]]]]], "]"]], "]"]], "+", "\[Pi]"]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], ")"]]]]]]]]]]

 MathML Form

 cosh - 1 ( x ) + sin - 1 ( y ) π ( 1 - ( - 1 ) - arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - + 1 ) 2 π - - arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - ) 2 π ) + ( - 1 ) arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - ) π - 2 arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - - 1 ) π + - arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - ) π - - arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - - 1 ) 2 π + - arg ( ( x + x - 1 x + 1 ) ( y + 1 - y 2 ) - + 1 ) 2 π cosh - 1 ( ( y + 1 - y 2 ) ( ( x + x - 1 x + 1 ) 2 ( y + 1 - y 2 ) - 2 + 1 ) 2 ( x + x - 1 x + 1 ) ) - 2 π ( - arg ( x + x - 1 x + 1 ) - arg ( ( y + 1 - y 2 ) - ) + π 2 π + Re ( log ( y + 1 - y 2 ) ) + π 2 π + π - Im ( log ( x + x - 1 x + 1 ) ) 2 π ) x y 1 -1 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 1 2 -1 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 2 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 -1 -1 2 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 -1 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 -1 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 -1 2 -1 -1 x x -1 1 2 x 1 1 2 y 1 -1 y 2 1 2 -1 1 2 -1 y 1 -1 y 2 1 2 x x -1 1 2 x 1 1 2 2 y 1 -1 y 2 1 2 -2 1 2 x x -1 1 2 x 1 1 2 -1 -1 2 -1 x x -1 1 2 x 1 1 2 -1 y 1 -1 y 2 1 2 -1 2 -1 y 1 -1 y 2 1 2 2 -1 -1 x x -1 1 2 x 1 1 2 2 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["ArcCosh", "[", "x_", "]"]], "+", RowBox[List["ArcSin", "[", "y_", "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List[RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List["Arg", "[", RowBox[List[RowBox[List[SuperscriptBox[RowBox[List["(", RowBox[List[RowBox[List["\[ImaginaryI]", " ", "y"]], "+", SqrtBox[RowBox[List["1", "-", SuperscriptBox["y", "2"]]]]]], ")"]], RowBox[List["-", "\[ImaginaryI]"]]], " ", RowBox[List["(", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["x", "-", "1"]]], " ", SqrtBox[RowBox[List["x", "+", "1"]]]]]]], ")"]]]], "+", "1"]], "]"]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]], "-", RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List["Arg", "[", RowBox[List[RowBox[List["(", RowBox[List["x", 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 Date Added to functions.wolfram.com (modification date)

 2007-05-02