Casio FX-795P - READ# Variable name [, variable name]*

CHAPTER
7
Command
Reference
a
RE
AD
+
Variable
name
[,
variable
name]*
®
NN
Function:
Reads
memo
data
from
the
DATA
BANK.
Parameter:
Variable
name:
Numeric
variable
or
character
variable.
An array variable can also be used.
Explanation:
1)
Sequentially
reads
stored
data
to
a
variable.
2)
Only
numeric
type
data
can
be
read
for
a
numeric
variable.
If
character
type
data
are
used,
an
error
(Error
2)
occurs.
3)-After
the
necessary
data
are
read
by
a
RBAD#
statement,
the
following
data
are
read
by
the
next
READ#
statement.
4)
When
memo
data
in
the
DATA
BANK
are
punctuated
by
“,”,
they
are
read
in
the
order
in
which
they
are
written.
<Example>
DATA
No 1 A,X,Y
No.2 B,Z
No 3 C
$s
Reading sequence
A?X?Y?B?-Z-C
5)
When
data
to
be
read
does
not
exist,
an
error
(Error
4)
occurs.
6)
The
data
sequence
to
be
read
can
be
modified
by
RESTORE#
(see
page
170).
204
7-7 DATA BANK Commands
7)
When
a
space
exists
at
the
beginning
of
memo
data
in
the
DATA
BANK,
it
is
skipped.
<Example>
XYZ
7 L this space skipped.
8) When data is inside “ ”, the character string inside “ ” is read.
Example:
< Data > < Program >
No.1 1,2,3 10 A=
No.2 4,5,6 20 READHS
No3 7,8,9 30 IF .$=*” THEN 60
No.4 10, 4@ A=A+VAL($)
50 GOTO 20
6@ PRINT *2%="3A
78 END
* Reads numeric data from the DATA BANK to obtain a sum.
205