Casio FX-795P - KEYS

CHAPTER 7. Command Reference
9)
If
a
character
string
data
exceeding
seven
characters
is
input
to
a
character
variable,
the
first
seven
characters
will
be
significant
and
the
eighth
charac-
ter
and
after
will
be
disregarded.
Example:
1@
INPUT
A
.
20
INPUT
*NAME=”"
,BS
3@
INPUT
*C$=",C$,
*D$=",DS
4@
|NPUT
“FORM=’,$
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7-2 Program Commands
KEYS . ®
Function:
Enters one character from the keyboard.
Explanation:
1) Accepts the input of only one character from the keyboard.
2) Numerals, alphabetical letters and symbols can be input.
3) The data entered will be in single character form.
4) Null will occur when there is no key input.
5)
Since
“?”
is
not
displayed
and
input
waiting
also
does
not
occur,
KEYS
is
usually
used
in
combination
with
an
IF
statement.
*KEY$ can be abbreviated as KEY.
Example:
19 PRINT*BEEP”$
20 AS=KEYS =
3@ IF A$=*@"THEN BEEP @
4@ IF A$="1”THEN BEEP 1
5@ |F AS=‘E’THEN 7@ 7
_6@ GOTO 2@
7@ PRINT:PRINT*END”
8@ END
Repeated until the{E] key
js pressed.
*A low sound will be generated. when the ©) key is pressed and a high sound
will be generated when the (1) key is pressed. “END” will be displayed and the
program will be terminated when the (E) key is pressed.
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