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; }

 Sech

 http://functions.wolfram.com/01.24.03.0063.01

 Input Form

 Sech[(7 Pi I)/9] == -((2 (-1)^(7/9))/(-1 + (-1)^(5/9)))

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["Sech", "[", FractionBox[RowBox[List["7", "\[Pi]", " ", "\[ImaginaryI]"]], "9"], "]"]], "\[Equal]", RowBox[List["-", FractionBox[RowBox[List["2", " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["7", "/", "9"]]]]], RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["5", "/", "9"]]]]]]]]]]]]

 MathML Form

 sech ( 7 π 9 ) - 2 ( - 1 ) 7 / 9 - 1 + ( - 1 ) 5 / 9 7 9 -1 -1 2 -1 7 9 -1 -1 5 9 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Sech", "[", FractionBox[RowBox[List["7", " ", "\[Pi]", " ", "\[ImaginaryI]"]], "9"], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["-", FractionBox[RowBox[List["2", " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["7", "/", "9"]]]]], RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["5", "/", "9"]]]]]]]]]]]]

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

 2001-10-29

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