Sharp OZ-707 Operation Manual - Page 40

Aer Mode

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5. AER MODE The Algebraic Expression Reserve (AER) mode is convenient for repetitive calculations. Algebraic expressions with multiple variables can be registered using all scientific functions. Selecting and Cancelling the AER Mode Selecting the AER Mode Press the!' AER I!key to display the AER preparation message and then the AER menu. (The length of time this message is displayed depends on the number of registered AER expressions.) *' 1 • E:>(ECAUEPTE:+< 2 . COl':PECT & DELETE 9:"7 GRiEu'"I=TER"~JE SELECT l'k.. ? Press the CIJ key to execute expressions, the IT] key to correct or delete expressions, or the r=LJ key to register expressions. Note: If the AER mode is not entered when the!1 AER Ilkey is pressed, there is not enough free area. Delete unnecessary data and programs from the memory. Cancelling the AER Mode Press the c r J key to exit the AER mode to return the Card to the BASIC mode. I ~UH MODE Note: The contents of numeric, string or array variables which start with "z" will not be retained after cancelling the AER mode. 68 Registering Expressions Select "3. RESERVE" in the AER menu. *' ~31: TITLAEEI?': '" 1. 01 .......... 2. TITLE? .. Indicates the expression number (1 to 20). Indicates the title of the expression. Up to 13 alphanumeric characters and symbols excluding quotes (") can be entered for a title. Press the , ENTER I key only to enter no title. Note: Do not use quotes (") in the titles or expressions. The data following the quotes will be ignored. Entry format Expressions are entered in the following format: F (parameter, parameter, .. .) = expression • Only single-precision numerical variables can be used and the variable names must be a silte ciaracter A through Z. • Function keys such as!1 SIN 11.1 COS I and!li!!!ilJlll ex Ilcan be used. • A comma ( , ) is required to separate the variables. (The commas are entered by pressing the I 5MBL I key followed by the number beside the symbols.) • The expression is stored by pressing the 'ENTER I key at the end . • When the memory is exceeded, "AER memory over" is displayed. • Up to 95 characters or 95 bytes of an expression can be stored (8 bytes per value, 2 bytes per function and 1 byte per other character including the , ENTER I key). After expression entry, the AER menu is displayed. Example: Enter the formula for the area of triangles. Area S = B · C· 2 sinA 69

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5.
AER MODE
The Algebraic Expression Reserve (AER) mode
is
convenient for
repetitive calculations. Algebraic expressions with multiple variables can
be registered using all scientific functions.
Selecting and Cancelling the
AER
Mode
Selecting the AER Mode
Press the!'
AER
I!key to display the AER preparation message
and
then
the AER menu. (The length of time this message
is
displayed depends
on the number of registered
AER
expressions.)
*'
AEP
:+<
1 • E
:>(
ECUTE
2 .
COl'
:PECT
&
DELETE
"7
R
E'=ER~JE
9:
Gi
u"IT
"
SE
L
EC
T l'k..
?
Press the
CIJ
key
to
execute expressions, the
IT]
key to correct
or
delete expressions, or the
r=LJ
key
to
register expressions.
Note:
If the
AER
mode is not entered when
the!1
AER
Ilkey
is
pressed, there
is not enough free area. Delete unnecessary data
and
programs from
t
he
memory.
Cancelling the AER Mode
Press the
crJ
key to exit the AER mode
to
return the Card
to
the
BASIC mode.
I
~
UH
MODE
Note:
The contents of numeric, string or array variables which start with
"
z"
will not be retained after cancelling the AER mode.
68
Registering Expressions
Select "
3.
RESERVE" in the
AER
menu.
*'
AEI'
:
'"
~31:
TITLE?
1.
01
..
..
..
....
Indicates the expression number
(1
to
20).
2.
TITLE?
..
Indicates the title of the expression.
Up
to
13
alphanumeric characters and symbols excluding quotes
(")
can be entered for a title.
Press the ,
ENTER
I key only to enter
no
title.
Note:
Do
not use quotes
(")
in
the titles or expressions. The data following
the quotes will
be
ignored.
Entry
format
Expressions are entered
in
the following format:
F (parameter, parameter,
..
.
)
=
expression
• Only single-precision numerical variables can be used and the
variable names must be a
silte
ciaracter
A through Z.
• Function keys such
as!1
SIN
11.1
COS
I and!li!!!ilJlll
ex
Ilcan be used.
• A comma ( , )
is
required
to
separate the variables. (The commas
are entered by pressing the I
5MBL
I key followed
by
the number
beside the symbols.)
• The expressi
on
is
stored
by
pressing the
'ENTER
I key at the end.
• When the memory
is
exceeded, "AER memory over"
is
displayed.
• Up to 95 characters or 95 bytes of
an
expression can be stored
(8
bytes per value, 2 bytes per function and
1
byte per other character
including the ,
ENTER
I key).
After expression entry, the AER menu
is
displayed.
Example:
Enter the formula for the area of triangles.
B · C · sinA
Area S
=
2
69