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1.Below table shows all basic method supported by formula script language.
2.Show line name before ":" . For example DIFF:C-O , formula line DIFF will show in the chart.
3.Don't show line name before ":=". For example A:=(C+O)/2, formula line A will not show in the chart.It's a intermedial variant.
4.Formula line seperate by ";".
5.Supported operators : + - * / > < >= <= = = ! = & | ^ % ! ~ ++ -- 6.$AAA equals to ORGDATA(AAA) 7."MACD[DIFF]#WEEK2" equals to FML('MACD[DIFF]#WEEK2')
AAA


100+ basic method can be used in formula script language.
CategoryMethodParameterReturnDescription
1    
1.FunctionsSETNAME(f,Name)f:Data Array
Name:String
 Set formula line name. should be start with @.
1.FunctionsSETNAME(Name,ShowParam)Name:String
ShowParam:TRUE or FALSE
 Set formula line name, should be start with @. ShowParam : show parameters in formula name
1.FunctionsSETNAME(Name)Name:String
 Set formula name. should be start with @.
1.FunctionsSETTEXTVISIBLE(f,Visible)f:Data Array
Visible:TRUE or FALSE
 Set formula line name visibility. should be start with @.
1.FunctionsSETVALUETEXTMODE(Mode)Mode:String
 Set formula value text mode, the posible value is None,TextOnly,ValueOnly,Both. should be start with @.
1.FunctionsSETTEXTVISIBLE(Visible)Visible:TRUE or FALSE
 Set formula name visibility. should be start with @.
1.FunctionsSETATTR(f,s)f:Data Array
s:String
 Set attribute of the formula. should be start with @.
1.FunctionsSHOWYGRIDLINE(Visible)Visible:TRUE or FALSE
 false if hide y-axis grid line. should be start with @.
1.FunctionsSETHLINE(ss)ss:
 Custom horizontal line, e.g. 30,50,70. should be start with @.
1.FunctionsSETYMINMAX(MinY,MaxY)MinY:Number
MaxY:Number
 Set min,max value of Y-axis, e.g. 0,100. should be start with @.
2    
2.Basic DataASKPRICE(N)N:Number
Data ArrayGet Nth ask price
2.Basic DataASKVOL(N)N:Number
Data ArrayGet Nth ask volume
2.Basic DataBIDPRICE(N)N:Number
Data ArrayGet Nth bid price
2.Basic DataBIDVOL(N)N:Number
Data ArrayGet Nth bid volume
2.Basic DataBUYVOL(N)N:Number
Data ArrayGet Nth buy volume
2.Basic DataSELLVOL(N)N:Number
Data ArrayGet Nth sell volume
2.Basic DataORGDATA(DataName)DataName:String
Data ArrayReference data from data provider. For example : OrgData('CLOSE')
2.Basic DataEXTDATA(N)N:Number
Data ArrayGet Nth extra data, can be defined by data provider
2.Basic DataCLOSE Data ArrayGet the stock close price
2.Basic DataC Data ArrayShortcut of CLOSE
2.Basic DataOPEN Data ArrayGet the stock open price
2.Basic DataO Data ArrayShortcut of OPEN
2.Basic DataHIGH Data ArrayGet the stock highest price
2.Basic DataH Data ArrayShortcut of HIGH
2.Basic DataLOW Data ArrayGet the stock lowest price
2.Basic DataL Data ArrayShortcut of LOW
2.Basic DataVOLUME Data ArrayGet the stock VOLUME
2.Basic DataVOL Data ArrayShortcut of VOLUME
2.Basic DataV Data ArrayShortcut of VOLUME
2.Basic DataAMOUNT Data ArrayGet the stock amount
2.Basic DataADVANCE Data ArrayGet rising numbers of current exchange
2.Basic DataDECLINE Data ArrayGet falling numbers of current exchange
2.Basic DataISBUYORDER Data ArrayIs buy order,should be supported by data provider
3    
3.Extra Basic DataFINANCE(N)N:Number
NumberBasic finance data , should be supported by data provider, FINANCE1...FINANCE100
3.Extra Basic DataDYNAINFO(N)N:Number
NumberDynamic information, should be supported by data provider,DYNAINFO1..DYNAINFO100
3.Extra Basic DataVOLUNIT NumberVolume unit 100 or 1000, should be supported by data provider
3.Extra Basic DataCAPITAL NumberCapital of current stock, should be supported by data provider
3.Extra Basic DataDATACOUNT NumberBars count of current data provider
4    
4.Date & TimeNEARESTTIME(D,T)D:Number
T:Number
Data Arrayreturn 1 if the trading date is near or equal to (D,T), D :Year*10000+Month*100+Day, T: Hour*10000+Minute*100+Second
4.Date & TimeDATEDIFF(f1,f2)f1:Data Array
f2:Data Array
Data ArrayDays between the two data arrays
4.Date & TimeDATE Data ArrayGet date array, the format is Year*10000+Month*100+Day
4.Date & TimeOLEDATE Data ArrayGet ole date array
4.Date & TimeDOUBLEDATE Data ArrayGet double date array
4.Date & TimeLASTDOUBLEDATE NumberReturn last double date
4.Date & TimeDAY Data ArrayGet day array.
4.Date & TimeHOUR Data ArrayGet hour array.
4.Date & TimeMINUTE Data ArrayGet minute array.
4.Date & TimeMONTH Data ArrayGet month array.
4.Date & TimeTIME Data ArrayGet time array,the format is Hour*10000+Minute*100+Second
4.Date & TimeWEEK Data ArrayGet week array,0..6, 0 means sunday,6 means saturday
4.Date & TimeWEEKDAY Data ArrayGet week array,0..6, 0 means sunday,6 means saturday
4.Date & TimeYEAR Data ArrayGet year array
5    
5.Reference functionsMUL(f)f:Data Array
Data ArrayMultiple from the first bar
5.Reference functionsSUM(f,N)f:Data Array
N:Number
Data ArraySum last N days value
5.Reference functionsSUM(f)f:Data Array
Data ArraySum from the first bar
5.Reference functionsCOUNT(f,N)f:Data Array
N:Number
Data ArrayTrue count of last N days
5.Reference functionsREF(f,N)f:Data Array
N:Number
Data ArrayReference value of N days before
5.Reference functionsEXTEND(f)f:Data Array
Data ArrayExtend last value to last bar
5.Reference functionsMA(f,N)f:Data Array
N:Number
Data ArrayN days moving average
5.Reference functionsEMA(f,N)f:Data Array
N:Number
Data ArrayN days exponential moving average
5.Reference functionsSMA(f,N,M)f:Data Array
N:Number
M:Number
Data ArraySimple moving average, equal to DMA(f,M/N), M<N
5.Reference functionsDMA(f,A)f:Data Array
A:Number
Data ArrayDynamic moving average, D[i] = D[i]*A+D[i-1]*(1-A), 0<A<1
5.Reference functionsHHV(f,N)f:Data Array
N:Number
Data ArrayN days highest value
5.Reference functionsHHV(f)f:Data Array
Data ArrayHighest value
5.Reference functionsLLV(f,N)f:Data Array
N:Number
Data ArrayN days lowest value
5.Reference functionsLLV(f)f:Data Array
Data ArrayLowest value
5.Reference functionsHHVBARS(f,N)f:Data Array
N:Number
Data ArrayN days highest value bars count
5.Reference functionsLLVBARS(f,N)f:Data Array
N:Number
Data ArrayN days lowest value bars count
5.Reference functionsBARSCOUNT(f)f:Data Array
Data ArrayBars count
5.Reference functionsSUMBARS(f,N)f:Data Array
N:Number
Data ArrayBars count when sum up to N
5.Reference functionsBARSLAST(f)f:Data Array
Data ArrayBars count when value > 0
5.Reference functionsBARSSINCE(Cond)Cond:Data Array
Data ArrayBars count since first Cond>0
5.Reference functionsBACKSET(Cond,f,N)Cond:Data Array
f:Data Array
N:Number
Data ArrayBackset N bars to f when Cond>0
5.Reference functionsBACKSET(Cond,N)Cond:Data Array
N:Number
Data ArrayBackset N bars to 1 when Cond>0
5.Reference functionsFILTER(Cond,N)Cond:Data Array
N:Number
Data ArraySet next N bars to 0 when Cond>0
5.Reference functionsTOVALUE(Cond,f,Percent,ValueType)Cond:Data Array
f:Data Array
Percent:Number
ValueType:Number
Data Arrayf by the Percent between every two COND.ValueType,0:ShowValue,1:Up Percent, 2:Down Percent
5.Reference functionsTOVALUE(Cond,f,Percent)Cond:Data Array
f:Data Array
Percent:Number
Data Arrayf by the Percent between every two COND.
6    
6.Logic functionsIF(f1,f2,f3)f1:Data Array
f2:Data Array
f3:Data Array
Data ArrayIf f1>0 return f2 , otherwise return f3
6.Logic functionsBETWEEN(f1,f2,f3)f1:Data Array
f2:Data Array
f3:Data Array
Data ArrayIf f3>f1>f2 or f2>f1>f3 return 1, otherwise return 0
6.Logic functionsNEAR(f1,f2,P)f1:Data Array
f2:Data Array
P:Number
Data Arrayf1 is near f2 in percent of P
6.Logic functionsRANGE(f1,f2,f3)f1:Data Array
f2:Data Array
f3:Data Array
Data ArrayIf f1 between f2 and f3 return 1, otherwise return 0
6.Logic functionsCROSS(f1,f2)f1:Data Array
f2:Data Array
Data ArrayIf f1 cross f2 from below return 1, otherwise return 0
6.Logic functionsLONGCROSS(f1,f2,N)f1:Data Array
f2:Data Array
N:Number
Data ArrayIf f1 cross f2 from below and the cross last N bars return 1, otherwise return 0
6.Logic functionsNOT(f1)f1:Data Array
Data ArrayIf f1==0 return 1 , otherwise return 0
6.Logic functionsISLASTVALUE(f)f:Data Array
Data ArraySet last bar has values to 1 other bars to 0
6.Logic functionsEXIST(f,N)f:Data Array
N:Number
Data ArrayIf exist non-zero value in last N bars return 1 otherwise return 0
6.Logic functionsEVERY(f,N)f:Data Array
N:Number
Data ArrayIf exist zero value in last N bars return 0 otherwise return 1
6.Logic functionsLAST(f,A,B)f:Data Array
A:Number
B:Number
Data ArrayIf exist zero value in last A bars to B bars return 0 otherwise return 1
6.Logic functionsISLASTBAR Data ArraySet last bar to 1 other bars to 0
6.Logic functionsISLASTDAY Data Arrayreturn 1 if current bar belongs to last day
6.Logic functionsISUP Data ArrayIf close value > open value return 1 otherwise return 0
6.Logic functionsISDOWN Data ArrayIf close value < open value return 1 otherwise return 0
6.Logic functionsISEQUAL Data ArrayIf close value = open value return 1 otherwise return 0
7    
7.Basic Math functionsMAX(fds)fds:
Data ArrayMaxinum values
7.Basic Math functionsMIN(fds)fds:
Data ArrayMinimum values
7.Basic Math functionsABS(d)d:Number
NumberAbsolate value, will return double.
7.Basic Math functionsABS(f)f:Data Array
Data ArrayAbsolute values
7.Basic Math functionsFLOOR(f)f:Data Array
Data ArrayThe smallest whole number greater than or equal to f
7.Basic Math functionsCEILING(f)f:Data Array
Data ArrayThe smallest whole number greater than or equal to f
7.Basic Math functionsROUND(f,decimals)f:Data Array
decimals:Number
Data ArrayReturns the number nearest the specified value
7.Basic Math functionsROUND(f)f:Data Array
Data ArrayReturns the number nearest the specified value
7.Basic Math functionsINTPART(f)f:Data Array
Data ArrayThe integer part of the value
7.Basic Math functionsMOD(f1,f2)f1:Data Array
f2:Data Array
Data ArrayEqual to f1 % f2
7.Basic Math functionsSGN(f)f:Data Array
Data ArrayThe sign of value
7.Basic Math functionsREVERSE(f)f:Data Array
Data ArrayEqual to -f
8    
8.Extra Math functionsSIN(f)f:Data Array
Data ArraySin
8.Extra Math functionsCOS(f)f:Data Array
Data ArrayCos
8.Extra Math functionsTAN(f)f:Data Array
Data ArrayTag
8.Extra Math functionsASIN(f)f:Data Array
Data ArrayArc Sin
8.Extra Math functionsACOS(f)f:Data Array
Data ArrayArc Cos
8.Extra Math functionsATAN(f)f:Data Array
Data ArrayArc Tan
8.Extra Math functionsLOG10(f)f:Data Array
Data Array10 based Log
8.Extra Math functionsLOG(f)f:Data Array
Data Array10 based Log
8.Extra Math functionsLOG(f,N)f:Data Array
N:Number
Data ArrayN based Log
8.Extra Math functionsLN(f)f:Data Array
Data Arraye based Log
8.Extra Math functionsEXP(f)f:Data Array
Data Arraye raised to the specified power
8.Extra Math functionsSQRT(f)f:Data Array
Data ArraySquare root of the value
8.Extra Math functionsSQRT(d)d:Number
NumberReturn square root of d
8.Extra Math functionsSQR(f)f:Data Array
Data ArraySquare of the value
8.Extra Math functionsPOWER(f,N)f:Data Array
N:Number
Data ArrayN Power of the value
8.Extra Math functionsPOW(f,N)f:Data Array
N:Number
Data ArrayN Power of the value
9    
9.Statistics functionsSTD(f,N)f:Data Array
N:Number
Data ArrayN days standard value
9.Statistics functionsSTDP(f,N)f:Data Array
N:Number
Data ArrayN days StdP value
9.Statistics functionsVAR(f,N)f:Data Array
N:Number
Data ArrayN days Variant value
9.Statistics functionsVARP(f,N)f:Data Array
N:Number
Data ArrayN days VarP value
9.Statistics functionsAVEDEV(f,N)f:Data Array
N:Number
Data ArrayN days average value
9.Statistics functionsDEVSQ(f,N)f:Data Array
N:Number
Data ArrayN days DevSQ value
9.Statistics functionsLR(f,N,Start)f:Data Array
N:Number
Start:Number
Data ArrayN days Linear Regression
9.Statistics functionsMAXVALUE(f)f:Data Array
NumberMaximum value of f
9.Statistics functionsMINVALUE(f)f:Data Array
NumberMinimum value of f
9.Statistics functionsLR(f,N)f:Data Array
N:Number
Data ArrayN days Linear Regression
9.Statistics functionsFORCAST(f,N)f:Data Array
N:Number
Data ArrayN days linear regression fore cast
9.Statistics functionsSLOPE(f,N)f:Data Array
N:Number
Data ArrayN days linear regression slope
9.Statistics functionsCORR(f1,f2,N)f1:Data Array
f2:Data Array
N:Number
Data ArrayN days correlation factor between f1 and f2
A    
A.Index functionsZIG(fMin,fMax,N)fMin:Data Array
fMax:Data Array
N:Number
Data ArrayN days Zig Zag
A.Index functionsZIG(f,N)f:Data Array
N:Number
Data ArrayN days Zig Zag
A.Index functionsZIG(N)N:Number
Data ArrayN days Zig Zag
A.Index functionsZIGP(fMin,fMax,N)fMin:Data Array
fMax:Data Array
N:Number
Data ArrayN days Zig Zag percent value
A.Index functionsZIGP(f,N)f:Data Array
N:Number
Data ArrayN days Zig Zag percent value
A.Index functionsZIGP(N)N:Number
Data ArrayN days Zig Zag percent value
A.Index functionsVALUEWHEN(Expr,f,N)Expr:Data Array
f:Data Array
N:Number
Data ArrayCount Expr was true N times and reports the value off
A.Index functionsVALUEWHENBARS(Expr,N)Expr:Data Array
N:Number
Data ArrayCount Expr was true N times and reports the bars count
A.Index functionsFINDPEAK(f)f:Data Array
Data ArrayFind Peak
A.Index functionsFINDPEAK(fMin,fMax,N)fMin:Data Array
fMax:Data Array
N:Number
Data ArrayFind Peak based on Zig(N)
A.Index functionsFINDPEAK(f,N)f:Data Array
N:Number
Data ArrayFind Peak based on Zig(N)
A.Index functionsFINDPEAK(N)N:Number
Data ArrayFind Peak based on Zig(N)
A.Index functionsFINDTROUGH(f)f:Data Array
Data ArrayFind Trough
A.Index functionsFINDTROUGH(fMin,fMax,N)fMin:Data Array
fMax:Data Array
N:Number
Data ArrayFind Trough based on Zig(N)
A.Index functionsFINDTROUGH(f,N)f:Data Array
N:Number
Data ArrayFind Trough based on Zig(N)
A.Index functionsFINDTROUGH(N)N:Number
Data ArrayFind Trough based on Zig(N)
A.Index functionsPEAK(fMin,fMax,N,M)fMin:Data Array
fMax:Data Array
N:Number
M:Number
Data ArrayMth Peak line based on Zig(N)
A.Index functionsPEAK(f,N,M)f:Data Array
N:Number
M:Number
Data ArrayMth Peak line based on Zig(N)
A.Index functionsPEAK(f,N)f:Data Array
N:Number
Data ArrayPeak line based on Zig(N)
A.Index functionsPEAK(N,M)N:Number
M:Number
Data ArrayPeak line based on Zig(N)
A.Index functionsPEAK(N)N:Number
Data ArrayPeak line based on Zig(N)
A.Index functionsPEAKBARS(fMin,fMax,N,M)fMin:Data Array
fMax:Data Array
N:Number
M:Number
Data ArrayMth Peak bars based on Zig(N)
A.Index functionsPEAKBARS(f,N,M)f:Data Array
N:Number
M:Number
Data ArrayMth Peak bars based on Zig(N)
A.Index functionsPEAKBARS(f,N)f:Data Array
N:Number
Data ArrayPeak bars based on Zig(N)
A.Index functionsPEAKBARS(N,M)N:Number
M:Number
Data ArrayPeak bars based on Zig(N)
A.Index functionsPEAKBARS(N)N:Number
Data ArrayPeak bars based on Zig(N)
A.Index functionsPEAKBARS(K,N,M)K:Number
N:Number
M:Number
Data ArrayMth Peak bars based on Zig(N)
A.Index functionsTROUGH(fMin,fMax,N,M)fMin:Data Array
fMax:Data Array
N:Number
M:Number
Data ArrayMth trough line based on Zig(N)
A.Index functionsTROUGH(f,N,M)f:Data Array
N:Number
M:Number
Data ArrayMth trough line based on Zig(N)
A.Index functionsTROUGH(f,N)f:Data Array
N:Number
Data ArrayTrough line based on Zig(N)
A.Index functionsTROUGH(N,M)N:Number
M:Number
Data ArrayMth trough line based on Zig(N)
A.Index functionsTROUGH(N)N:Number
Data ArrayTrough line based on Zig(N)
A.Index functionsTROUGH(K,N,M)K:Number
N:Number
M:Number
Data ArrayMth trough line based on Zig(N)
A.Index functionsTROUGHBARS(fMin,fMax,N,M)fMin:Data Array
fMax:Data Array
N:Number
M:Number
Data ArrayMth trough bars based on Zig(N)
A.Index functionsTROUGHBARS(f,N,M)f:Data Array
N:Number
M:Number
Data ArrayMth trough bars based on Zig(N)
A.Index functionsTROUGHBARS(N,M)N:Number
M:Number
Data ArrayMth trough bars based on Zig(N)
A.Index functionsTROUGHBARS(N)N:Number
Data ArrayMth trough bars based on Zig(N)
A.Index functionsTROUGHBARS(K,N,M)K:Number
N:Number
M:Number
Data ArrayMth trough bars based on Zig(N)
A.Index functionsSAR(N,STEP,MAXP)N:Number
STEP:Number
MAXP:Number
Data ArraySar,N is the first bar to calculate sar
A.Index functionsSAR(STEP,MAXP)STEP:Number
MAXP:Number
Data ArraySar
A.Index functionsSARTURN(N,STEP,MAXP)N:Number
STEP:Number
MAXP:Number
Data ArraySar turns, 0 ,1 or -1
B    
B.String functionsSTRCMP(s1,s2)s1:String
s2:String
Data ArrayCompare two strings
B.String functionsSTRNCMP(s1,s2,N)s1:String
s2:String
N:Number
Data ArrayCompare N chars of two strings
B.String functionsINDEXOF(s1,s2)s1:String
s2:String
Data Arrayreturn the first occurrence of s2 in s1
B.String functionsCONTAIN(s1,s2)s1:String
s2:String
Data Arrayreturn 1 if s1 contains s2, otherwise return 0.
B.String functionsIF(Cond,s1,s2)Cond:Data Array
s1:String
s2:String
Stringreturn s1 if Cond is true, otherwise return s2.
B.String functionsEXCHANGE StringReturn current exchange, should be supported by data provider
B.String functionsSTKMARKET StringReturn current exchange, should be supported by data provider
B.String functionsCODE StringReturn Stock Symbol
B.String functionsSTKLABEL StringReturn Stock Symbol
B.String functionsSYMBOL StringReturn Stock Symbol
B.String functionsSTOCKNAME StringReturn Stock Name
B.String functionsSTKNAME StringReturn Stock Name
C    
C.Draw functionsSTICKLINE(Cond,Price,Price2)Cond:Data Array
Price:Data Array
Price2:Data Array
Data ArrayDraw stick line from Price to Price2 when Cond is True
C.Draw functionsFILLRGN(Cond,Price,Price2)Cond:Data Array
Price:Data Array
Price2:Data Array
Data ArrayFill region Price to Price2 when Cond is True
C.Draw functionsFILLAREA(f1)f1:Data Array
Data ArrayFill area below f1
C.Draw functionsPARTLINE(Cond,f)Cond:Data Array
f:Data Array
Data ArrayDraw partial line
C.Draw functionsVERTLINE(f)f:Data Array
Data ArrayDraw verticle line
C.Draw functionsGETSTOCK(fO,fC,fH,fL)fO:Data Array
fC:Data Array
fH:Data Array
fL:Data Array
Data ArrayDraw stock bar based on fO,fC,fH,fL
C.Draw functionsDRAWTEXT(Cond,f,Text,fds)Cond:Data Array
f:Data Array
Text:String
fds:
Data ArrayDraw Text on f when Cond is True
C.Draw functionsDRAWTEXT(Bar,f,Text,fds)Bar:Number
f:Data Array
Text:String
fds:
Data ArrayDraw Text on f on Bar
C.Draw functionsDRAWNUMBER(Cond,Price,Number,Format)Cond:Data Array
Price:Data Array
Number:Data Array
Format:String
Data ArrayDraw Number on Price when Cond is True
C.Draw functionsDRAWICON(Cond,Price,ImageName)Cond:Data Array
Price:Data Array
ImageName:String
Data ArrayDraw Image on f when Cond is True
C.Draw functionsPOLYLINE(Cond,Price)Cond:Data Array
Price:Data Array
Data ArrayPoly line,The point was defined by f when Cond is True
C.Draw functionsDRAWLINE(Cond,Price,Cond2,Price2,Expand)Cond:Data Array
Price:Data Array
Cond2:Data Array
Price2:Data Array
Expand:Number
Data ArrayDraw line from Price when Cond is True to Price2 when Cond2 is True
C.Draw functionsDRAWLINE(Bar1,Price1,Bar2,Price2,Expand)Bar1:Number
Price1:Number
Bar2:Number
Price2:Number
Expand:Number
Data ArrayDraw line from (Bar1,Price1) to (Bar2,Price2)
C.Draw functionsSTICKLINE(Cond,Price,Price2,Width,Empty)Cond:Data Array
Price:Data Array
Price2:Data Array
Width:Number
Empty:Number
Data ArrayDraw stick line from Price to Price2 when Cond is True
C.Draw functionsSTOCK Data ArrayDraw stock bar based on O,C,H,L
D    
D.Advanced functionsFML(Symbol,FormulaName,Cycle)Symbol:String
FormulaName:String
Cycle:String
Data ArrayReference other formula with cycle. For example : FML('MSFT','MACD[DIFF]','WEEK2')
D.Advanced functionsFML(Symbol,FormulaName)Symbol:String
FormulaName:String
Data ArrayReference other formula. For example : FML('MSFT','MACD[DIFF]')
D.Advanced functionsFML(FormulaName)FormulaName:String
Data ArrayReference other formula. For example : FML('MACD[DIFF]')
D.Advanced functionsDATE2BAR(Date)Date:String
NumberConvert string date to bar index,Date format is yyyy-MM-dd
E    
E.Indicator functionsATR(N)N:Number
Data ArrayN days average true range

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