6-21
• You can use the “+” command (page 6-22) to connect strings inside of an argument.
• A function or command within a string function (Exp(, StrCmp(, etc.) is treated as a single
character. For example, the “sin” function is treated as a single character.
Exp(
Function:
Converts a string to an expression, and executes the expression.
Syntax:
Exp("<string>"[)]
Exp
'
Str(
Function:
Converts an expression to a string and assigns it to the specified variable.
Syntax:
Exp
'
Str(<formula>, <string variable name>[)]
Description:
Function memory (f
n
) can be used as the first argument (<formula>).
StrCmp(
Function:
Compares “<string 1>” and “<string 2>” (character code comparison).
Syntax:
StrCmp("<string 1>", "<string 2>"[)]
Description:
Compares two strings and returns one of the following values.
Returns 0 when “<string 1>” = “<string 2>”.
Returns 1 when “<string 1>” > “<string 2>”.
Returns –1 when “<string 1>” < “<string 2>”.
Strlnv(
Function:
Inverts the sequence of a string.
Syntax:
StrInv("<string>"[)]
StrJoin(
Function:
Joins “<string 1>” and “<string 2>”.
Syntax:
StrJoin("<string 1>", "<string 2>"[)]
Note:
The same result also can be achieved using the “+” command (page 6-22).
StrLeft(
Function:
Copies a string up to the
n
th character from the left.
Syntax:
StrLeft("<string>",
n
[)] (0
<
n
<
9999,
n
is a natural number)
StrLen(
Function:
Returns the length of a string (the number of its characters).
Syntax:
StrLen("<string>"[)]
StrLwr(
Function:
Converts all the characters of a string to lower case.
Syntax:
StrLwr("<string>"[)]
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