Casio SERIES FX-9860G - Manual (Page 76)

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u To store a function
Example To store the function (A+B) (A–B) as function memory number 1
(av(A)+al(B))
(av(A)-al(B))
K6(g)6(g)3(FMEM)
1(STO)bw
JJJ
u To recall a function
Example To recall the contents of function memory number 1
K6(g)6(g)3(FMEM)
2(RCL)bw
u To recall a function as a variable
daav(A)w
baal(B)w
K6(g)6(g)3(FMEM)3(fn)
b+cw
u To display a list of available functions
K6(g)6(g)3(FMEM)
4(SEE)
2-2-3
Special Functions
# If the function memory number to which you
store a function already contains a function, the
previous function is replaced with the new one.
# The recalled function appears at the current
location of the cursor on the display.