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CHAPTER 8 Convenient DATA BANK Function
|
8-10
Combining with the Function Memory
A practical method of using the DATA BANK function is to use it ia combina-
tion with the Function Memory. Store formulas and equations in the DATA
,
a
7
:
BANK
and press the © key to call the desired formula or equation. And
965b8
Calculatic
calculate by storing the retrieved formula in the Function Memory by pressing
(Displays vertical total of the Ist column.) | fi 1s
13
the
key.
Ga] (Displays vertical total of the 2nd column.) | HZ=
1)
Assume that the following formula and equation are stored in the DATA BANK.
' Ga (Displays vertical total of the 3rd column.)
| [{%=
|
-
&) (Displays vertical total of the 4th column.)
| id=
de
i
71 QUADRATIC
EQUATION
fx) (Displays horizontal total of the 1st line.)
His
2
fl
|
X=(-B+SOR(Bt2—-4*AKC))/(2*A):
X=(—-B—-SOR(B
fx) (Displays horizontal total of the 2nd line.)
Hits
i]
z F
2
t2-4*AKC))/
(2A)
exe} (Displays horizontal total of the 3rd line.)
i a =
1 4 4 g a
3|
HERON
[@ (Calculation is over.)
OVER
al S*s"=(A4B4C)/2
1 S=SOR(S*(S—A)*(S—B)*(S—C))
when executing this program using new data.
A formula to calculate the root of a quadratic equation and Heron's formula are
stored in the DATA BANK.
Now, calculate the root of the quadratic equation. Press (GJ
to search the
quadratic equation.
(a) {es
After confirming the name, press the 4 key and the calculation formula is dis-
played.
Si RT S—dehee
Then store the calculation formula in the Function Memory.
@
234
235
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