Casio FX-9860G Example, Xmax = 4, Ymax = 10, Xmin = – 4, Ymin = –10, y = x3 + x2 + x +, uTo delete a function, uTo use stored functions

2-2-4

Special Functions

uTo delete a functionExample To delete the contents of function memory number 1

AK6(g)6(g)3(FMEM)

1(STO)bw

•Executing the store operation while the display is blank deletes the function in the function memory you specify.

uTo use stored functions

Example	To store x3 + 1, x2 + x into function memory, and then graph:
	y = x3 + x2 + x + 1

Use the following V-Window settings.

Xmin = – 4,	Xmax = 4,	Xscale = 1
Ymin = –10,	Ymax = 10,	Yscale = 1

!m(SET UP)ccc1(Y=)J

AvMd+bK6(g)6(g)3(FMEM)1(STO)bw(stores (x3 + 1))

JAvx+v1(STO)cw(stores (x2 + x))

JA!4(SKTCH)1(Cls)w 5(GRPH)1(Y=) K6(g)6(g)3(FMEM)3(fn)b+

3(fn)cw

• 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.

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