2-2-4

Special Functions

uTo delete a function

Example 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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