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- Keyword #comments-start
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- 函数（Functions）
- 使用函数时的注意事项
- Function ClipGet
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- Functions
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- Function InetGet
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- Function Ping
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- Function UBound
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- Function ControlFocus
- Function ControlGetFocus
- Function ControlGetHandle
- Function ControlGetPos
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- Function ControlHide
- Function ControlListView
- Function ControlMove
- Function ControlSend
- Function ControlSetText
- Function ControlShow
- Function StatusbarGetText
- Function WinActivate
- Function WinActive
- Function WinClose
- Function WinExists
- Function WinGetCaretPos
- Function WinGetClassList
- Function WinGetClientSize
- Function WinGetHandle
- Function WinGetPos
- Function WinGetProcess
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- Function WinGetTitle
- Function WinKill
- Function WinList
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- Function WinMinimizeAll
- Function WinMinimizeAllUndo
- Function WinMove
- Function WinSetOnTop
- Function WinSetState
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- Function WinSetTrans
- Function WinWait
- Function WinWaitActive
- Function WinWaitClose
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- User Defined Functions
- 自定义函数的注意事项（Function Notes）
- Function _ArrayAdd
- Function _ArrayBinarySearch
- Function _ArrayCreate
- Function _ArrayDelete
- Function _ArrayDisplay
- Function _ArrayInsert
- Function _ArrayMax
- Function _ArrayMaxIndex
- Function _ArrayMin
- Function _ArrayMinIndex
- Function _ArrayPop
- Function _ArrayReverse
- Function _ArraySort
- Function _ArraySwap
- Function _ArrayToClip
- Function _ArrayToString
- Function _ArrayTrim
- Function _ColorGetBlue
- Function _ColorGetGreen
- Function _ColorGetRed
- Function _DateAdd
- Function _DateDayOfWeek
- Function _DateDaysInMonth
- Function _DateDiff
- Function _DateIsLeapYear
- Function _DateIsValid
- Function _DateTimeFormat
- Function _DateToDayValue
- Function _DateToDayOfWeek
- Function _DateToDayValue
- Function _DayValueToDate
- Function _Now
- Function _NowCalc
- Function _NowCalcDate
- Function _NowDate
- Function _NowTime
- Function _TicksToTime
- Function _TimeToTicks
- Function _FileCountLines
- Function _FileCreate
- Function _FileReadToArray
- Function _FileWriteLog
- Function _TempFile
- Function _GetIP
- Function _INetExplorerCapable
- Function _INetMail
- Function _Ceil
- Function _Floor
- Function _MathCheckDiv
- Function _Max
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- Function _Iif
- Function _RunDos
- Function _HexToString
- Function _StringEncrypt
- Function _StringProper
- Function _StringRepeat
- Function _StringReverse
- Function _StringToHex
- Function _viOpen
- Function _viExecCommand
- Function _viFindGpib
- Function _viGpibBusReset
- Function _viGTL
- Function _viOpen
- Function _viSetAttribute
- Function _viSetTimeout
- Language Reference
- ASCII Characters
- CLSID List
- Standard Windows Fonts
- 标准 Windows 字体
- Language Codes
- Send 命令的可用按键列表
文章来源于网络收集而来，版权归原创者所有，如有侵权请及时联系！
Function Sin
Sin
求某个数的正弦值（sine）。
Sin ( 表达式 )
参数
| 表达式 | 角度值。 |
返回值
返回表达式的正弦值（三角函数的一种）。注意
1° = pi / 180 度。相关
Cos, Tan, ASin, ACos, ATan示例
$pi = 3.14159265358979
$x = sin($pi / 4) ;返回值为 0。707106781186547，也就是 sqrt(2)/2
$degToRad = $pi / 180
$y = Sin(90 * $degToRad) ;求 90° 的正弦
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