Atn Function

Abs Function,Array Function,Asc Function,Atn Function,CBool Function,CByte Function,CCur Function,CDate Function,CDbl Function,Chr Function,CInt Function,CLng Function,Cos Function,CreateObject Function,CSng Function,CStr Function,Date Function,DateAdd Function,DateDiff Function,DatePart Function,DateSerial Function,DateValue Function,Day Function,Eval Function,Exp Function,Filter Function,Fix Function,FormatCurrency Function,FormatDateTime Function,FormatNumber Function,FormatPercent Function,GetLocale Function,GetObject Function,GetRef Function,Hex Function,Hour Function,InputBox Function,InStr Function,InStrRev Function,Int Function,IsArray Function,IsDate Function,IsEmpty Function,IsNull Function,IsNumeric Function,IsObject Function,Join Function,LBound Function,LCase Function,Left Function,Len Function,LoadPicture Function,Log Function,LTrim Function,Mid Function,Minute Function,Month Function,MonthName Function,MsgBox Function,Now Function,Oct Function,Replace Function,RGB Function,Right Function,Rnd Function,Round Function,RTrim Function,ScriptEngine Function,ScriptEngineBuildVersion Function,ScriptEngineMajorVersion Function,ScriptEngineMinorVersion Function,Second Function,Sgn Function,Sin Function,Space Function,Split Function,Sqr Function,StrComp Function,String Function,StrReverse Function,Tan Function,Time Function,Timer Function,TimeSerial Function,TimeValue Function,Trim Function,TypeName Function,UBound Function,UCase Function,VarType Function,Weekday Function,WeekdayName Function,Year Function Home home | Other Resources other resources | Advertise with us advertise | Link to us link to us | Contact us contact | Bookmark Us!
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  Home > Functions > Atn Function
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    • Atn Function

    Returns the arctangent of a number.

    Atn(number)

    The number argument can be any valid numeric expression.

    Remarks

    The Atn function takes the ratio of two sides of a right triangle (number) and returns the corresponding angle in radians. The ratio is the length of the side opposite the angle divided by the length of the side adjacent to the angle. The range of the result is -pi /2 to pi/2 radians.

    To convert degrees to radians, multiply degrees by pi/180. To convert radians to degrees, multiply radians by 180/pi.

    The following example uses Atn to calculate the value of pi: 

    Dim pi
pi = 4 * Atn(1)   ' Calculate the value of pi.

    Note   Atn is the inverse trigonometric function of Tan, which takes an angle as its argument and returns the ratio of two sides of a right triangle. Do not confuse Atn with the cotangent, which is the simple inverse of a tangent (1/tangent).

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    VBScriptOnline.com - Abs Function,Array Function,Asc Function,Atn Function,CBool Function,CByte Function,CCur Function,CDate Function,CDbl Function,Chr Function,CInt Function,CLng Function,Cos Function,CreateObject Function,CSng Function,CStr Function,Date Function,DateAdd Function,DateDiff Function,DatePart Function,DateSerial Function,DateValue Function,Day Function,Eval Function,Exp Function,Filter Function,Fix Function,FormatCurrency Function,FormatDateTime Function,FormatNumber Function,FormatPercent Function,GetLocale Function,GetObject Function,GetRef Function,Hex Function,Hour Function,InputBox Function,InStr Function,InStrRev Function,Int Function,IsArray Function,IsDate Function,IsEmpty Function,IsNull Function,IsNumeric Function,IsObject Function,Join Function,LBound Function,LCase Function,Left Function,Len Function,LoadPicture Function,Log Function,LTrim Function,Mid Function,Minute Function,Month Function,MonthName Function,MsgBox Function,Now Function,Oct Function,Replace Function,RGB Function,Right Function,Rnd Function,Round Function,RTrim Function,ScriptEngine Function,ScriptEngineBuildVersion Function,ScriptEngineMajorVersion Function,ScriptEngineMinorVersion Function,Second Function,Sgn Function,Sin Function,Space Function,Split Function,Sqr Function,StrComp Function,String Function,StrReverse Function,Tan Function,Time Function,Timer Function,TimeSerial Function,TimeValue Function,Trim Function,TypeName Function,UBound Function,UCase Function,VarType Function,Weekday Function,WeekdayName Function,Year Function