24
uu
uu
uTo delete a function
Example To delete the contents of function memory number 1
K6(g)6(g)3(FMEM)A
1(STO) 1(f1)
•Executing the store operation while the display is blank deletes the function in
the function memory you specify.
uu
uu
uTo use stored functions
Once you store a function in memory, you can recall it and use it for a calculation.
This feature is very useful for quick and easy input of functions when programming
or graphing.
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 parameters.
Xmin = –4 Ymin = –10
Xmax = 4 Ymax = 10
Xscale = 1 Yscale = 1
!Zc1(Y=)JK6(g)6(g)3(FMEM)
AvMd+b1(STO)1(f1)(stores (x
3
+ 1))
Avx+v1(STO)2(f2)(stores (x
2
+ x))
A!4(Sketch)1(Cls)w
!4(Sketch)5(GRPH)1(Y=)
K6(g)6(g)3(FMEM)
3(fn)1(f1)+2(f2)w
• For full details about graphing, see “8. Graphing”.
kk
kk
k Memory Status (MEM)
You can check how much memory is used for storage for each type of data. You
can also see how many bytes of memory are still available for storage.
uu
uu
uTo check the memory status
1. In the Main Menu, select the MEM icon and
press w.
1 - 2 Memory
P. 111
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