Casio CFX-9970G User Manual page 51

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Memory
u u u u u To delete a function
Example
• Executing the store operation while the display is blank deletes the function in
the function memory you specify.
u u u u u To 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
P.111
• For full details about graphing, see "8. Graphing".
k k k k k Memory Status
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.
u u u u u To check the memory status
1. In the Main Menu, select the SYS icon and
press w.
To delete the contents of function memory number 1
K6(g)6(g)3(FMEM)A
1(STO) 1(f
)
1
3
x
To store + 1,
3 2
y x x x
= + + + 1
Use the following View Window parameters.
Xmin = –4
Xmax = 4
Xscale = 1
!Zc1(Y=)JK6(g)6(g)3(FMEM)
AvMd+b1(STO)1(f
Avx+v1(STO)2(f
A!4(Sketch)1(Cls)w
!4(Sketch)5(GRPH)1(Y=)
K6(g)6(g)3(FMEM)
3(f
)1(f )+2(f
n
1 2
2
x x
+ into function memory, and then graph:
Ymin = –10
Ymax = 10
Yscale = 1
)(stores (
1
)(stores (
2
)w
3
x
+ 1))
x 2 x
+ ))
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