Casio fx-9860G AU PLUS, User Manual

Page: 76 / 590

20050401
2-2-4
Special Functions
u
To delete a function
○ ○ ○ ○ ○
Example To delete the contents of function memory number 1
A K 6
( g )
6
( g )
3
(FMEM)
1 (STO) b w
• Executing the store operation while the display is blank deletes the function in the
function memory you specify.
u To use stored functions
○ ○ ○ ○ ○
Example To store
x
3 + 1,
x
2 +
x
into function memory, and then graph:
y
=
x
3
+
x
2
+
x
+ 1
Use the following V-Window settings.
Xmin = – 4, Xmax = 4, Xscale = 1
Ymin = –10, Ymax = 10, Yscale = 1
!m (SET UP) ccc 1 (Y=) J
Av M d+b K 6
(
g
)
6
(
g
)
3
(FMEM)
1
(STO)
b w
(stores (
x
3
+ 1))
JAvx + v1
(STO)
c w
(stores (
x
2
+
x
))
JA!4
(SKTCH)
1
(Cls)
w
5
(GRPH)
1
(Y=)
K 6 ( g ) 6 ( g ) 3 (FMEM) 3 (fn) b+
3
(fn)
c w
• For full details about graphing, see “5. Graphing”.
# You can also use
a
to store a function in
function memory in a program.
In this case, you must enclose the function
inside of double quotation marks.