User manual - Chapter 2 Manual Calculations

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2-2-4
Special Functions
u To delete a function
Example To delete the contents of function memory number 1
AK6(g)5(FMEM)
b(Store)bw
•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 View Window settings.
Xmin = – 4, Xmax = 4, Xscale = 1
Ymin = –10, Ymax = 10, Yscale = 1
u3(SET UP)c1(Y=)i
AvMd+bK6(g)5(FMEM)b(Store)bw(stores (x
3
+ 1))
iAvx+v5(FMEM)b(Store)cw(stores (x
2
+ x))
iAK6(g)6(g)2(SKTCH)b(Cls)w
2(SKTCH)e(GRAPH)b(Y=)
K6(g)5(FMEM)d(fn)b+
5(FMEM)d(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.
The maximum size of the function you can
store is 255 bytes.