Casio FX-9750GII - Manual (Page 230)

8-19
Exp(
Function: Converts a string to an expression, and executes the expression.
Syntax: Exp(""[)]
Exp Str(
Function: Converts a graph expression to a string and assigns it to the specified variable.
Syntax: Exp Str(, [)]
Description: A graph expression (Y
n
, r, X
t
, Y
t
, X), recursion formula ( a
n
, a
n +1
, a
n +2
, b
n
, b
n +1
, b
n +2
,
c
n
, c
n +1
, c
n +2
), or function memory (f
n
) can be used as the first argument ().
StrCmp(
Function: Compares “” and “” (character code comparison).
Syntax: StrCmp("", ""[)]
Description: Compares two strings and returns one of the following values.
Returns 0 when “” = “”.
Returns 1 when “” > “”.
Returns –1 when “” < “”.
Strlnv(
Function: Inverts the sequence of a string.
Syntax: StrInv(""[)]
StrJoin(
Function: Joins “” and “”.
Syntax: StrJoin("", ""[)]
Note: The same result also can be achieved using the “+” command (page 8-20).
StrLeft(
Function: Copies a string up to the n th character from the left.
Syntax: StrLeft("", n [)] (0 n 9999, n is a natural number)
StrLen(
Function: Returns the length of a string (the number of its characters).
Syntax: StrLen(""[)]
StrLwr(
Function: Converts all the characters of a string to lower case.
Syntax: StrLwr(""[)]