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8/INTEGRALS
f(b) y= ffx)
We calculate area Sfexyax.
x
——
N equa! parts
® Defining function f/x)
3) Press @ &) .
* This is needed, as the first program step, to assign variable x of the function Sfx)
to the M-register,
i
.
Example:
For f/x) "Pa 7 Write the sequence of 1, =, ((. MR, INV
x?_4,1,}], =.
= Execution of integral
1) Select the ''fdx" mode (press @aQ(7) ),
2) Designate the program number assigned to
the function, f/x). (Press
© or @ &.)
~37—
Att this time the memory registers contain the following data.
K\1-register
(Press Ke}
} 2... 1a
Ki2-register
{Press Kal
@} .. 1b
spans
{Press (eel) (3) }
-N (= 27}
4-register
(Press {ke @) )
Sta)
'
K(5-register
(Press EB}
..., fe)
6-register
(Press Ga @ )
J S(xjdx
eee
{Press MY)...
2.
a
#/Example
$
8
| For fix} = 2x? + 3x 4 4, calculate Sy ffx}dx and f ftxjax.
OPERATION
READ-OUT
(Designate program No.}
Writing f(x)
© bd
(Write S()}
283663030648
(Gelect "fdx" mode) tae (1)
(Designate program No.) FY
O, ane,
:
Ulpput 7)
2he
"
4. ume
|N displayed
S Stexjax
Result displayed in
2658
about 4 seconds
(Designate program No.)
264 Bk
{IInput @ and b)
1.215000000
9?
8
Result displayed in Sf Sfxsdx
about 6 seconds
(Gpput a and b)
4.500000000_
°2
|
sol 2}
|
com {—*. >
|
a)
a ae
caw [ye |e
|
ms | "ise |
|
ee [ "eso. [iPr
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