Casio FX-795P

|
7-3
Character
Functions
L
E
N
(Simple
character
variable)
eee
Function:
Obtains
the
length
of
the
character
string
in
a
simple
character
variable.
Parameter:
.
Simple
character
variable:
An
array
character
variable
cannot
be
used.
;
Explanation:
1)
Counts
the
number
of
characters
in
a
simple
variable.
2)
Usable
character
variables
are
simple
character
variables
(A$,
Y$,
$,
etc.).
Array
character
variables
such
as
B$(3)
cannot
be
used.
Example:
1®
INPUT*String="1$%
2@
PRINT*Length="+LEN($)
36
GOTO
18
174
7-3 Character Functions
M | D $ (Location... [, Number of characters]) ®
Numeric expression Numeric expression
Function:
Fetches the specified number of characters from a specified location of the
exclusive character variable ($).
Parameter:
Location: Numeric expression. Values below the decimal point
are discarded, ;
1 glocation< 101
Number of characters: Numeric expression. Values below the decimal point
are discarded.
1 < number of characters < 101.
When omitted, all characters after the specified location are fetched.
Explanation:
1) Fetches a specified number of characters from a specified location of the
exclusive character variable-($).
2) When the specified location is out of the character string, a-null is obtained.
3) When the length of the character string after the specified location is smaller
than the specified number of characters, all the characters after the specified
location are fetched.
*MID$§ can be abbreviated as MID.
Example:
1@ $=“ABCDEFGH! JKLMNOPORSTUVWXYZ”
20 INPUT“ location=",M,*length=”,N
3@ PRINT MIDS(M,N)
4@ GOTO 28
175