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ABS()
Description
To return the absolute value of the expression.
Syntax
ABS(expression)
Remarks
The result of the expression must be numeric.
Example
X=ABS(5-12)
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ASC()
Description
To return the value of the ASCII code for the first character of the expression.
Syntax
ASC(expression)
Remarks
The result of the expression must be a string.
Example
X=ASC(“A”)
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LEN()
Description
To return the length of the string.
Syntax
LEN(string expression)
Remarks
The maximum returned string length is 255.
Example
X=LEN(“A”)
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FRE()
Description
Return the size of free memory.
Syntax
FRE( )
Remarks
Calculates and returns an integer to indicate free memory size of the K012 in K Bytes.
Example
A=FRE( )
PRINT A
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INT()
Description
To truncate an expression to an integral number.
Syntax
INT(expression)
Remarks
The result of the expression must be numeric.
Example
A=INT(5/2)
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VAL()
Description
To return the numerical value of the string expression.
Syntax
VAL(expression)
Remarks
The result of the expression must be a string.
Example
A=VAL(“1234”)
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RND()
Description
RND returns a number between 0 and 1
Syntax
A=RND()
Remarks
N/A
Example
A=RND()
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CHR$()
Description
To return the ASCII character of the numerical expression.
Syntax
CHR$(expression)
Remarks
The result of the expression must be numeric.
Example
A$=CHR$(27)
Used, for example to send and ESCAPE or other control code to a printer.
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FREAD$()
Description
To read a number of bytes from specified file.
Syntax
FREAD$ (FileHandle, count)
Remarks
Count is the number of data bytes. Maximum count size is 255.
Example
OPEN “DATA” FOR INPUT AS #1
A$=FREAD$(1,20)
CLOSE #1
END
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LEFT$()
Description
To return a number of the leftmost characters of the string expression.
Syntax
LEFT$(expression, count)
Remarks
The result of the expression must be a string.
Count is the number of the leftmost characters.
Example
10 A$=LEFT$(“123456”,3)
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RIGHT$()
Description
To return a number of the rightmost characters of the string expression.
Syntax
RIGHT$(expression, count)
Remarks
The result of the expression must be a string.
Count is the number of the rightmost characters.
Example
A$=RIGHT$(“123456”,3)
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MID$()
Description
To return a number of characters beginning from the starting parameter to the
specified length.
Syntax
MID$(String, Starting, Length)
Remarks
String: Can be a string or expression
Start:
Character position in string at which the part to be taken begins. If start is
greater than the number of characters in string, Mid returns a zero-length
string ("").
Length: The numbers of characters to be returned.
Example
A$=MID$(“123456”,3,3)
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