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To clear all formulas:
Depress the QE , (TD , §S
f
| @7] and
S E keys.
Example 2:
MULTIPLE FORM ULA RESERVE
{When 4 kinds of formula are entered simultaneously:)
[In pu t]
Formula 1 — Circumference arsd area of a circle
/ = 2rrr
S = tr r2
r = 1 ,2 ,3
Note:
The first value of the variable may be inputted directly follow^*
the variable sign.
Input Procedure:
|5Sj H
QjJ
2 [ x ]
I S
E )
H
1 s
0
Answer = 6.283185307 (and 1 is stored in memori'
2nF I
l q q k
I
T
o
display intermediate answer
@1 g g : ( X ] ®
1=]
Answer = 3.141592654
Formula 2 - Autom atic Incrementing
To solve a form ula in which the variable is increased by the same amount
each tim e, it is not necessary to place a value in the equation fo r each solu
tion. Place the amount to be incremented in Memory and each time |S
p
|
is pressed the value of X w ill be automatically increased by the value in
memory.
a. f ( x ) = 2 x 2 + 7 x + 9
x = 1 , 2 , 3 , .........
Procedure:
[?TJ 0 0
0
(c«j
{Enter [ 0 ]
0
and 0
in that order
to clear the memory. The step number does
not count up.)
1 0 2 H
S
@
S
] 7 ®
S
E
9 [ = ]
(f (1) = 18)
52
53
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