HP HP-15C, Руководство пользователя

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232 Appendix D: A Detailed Look at
_
Keystrokes Display
÷
017– 10
. 10 / x

'
018– 12
+ 019– 40
x
e x
e
x
e



2
2
10 /
.
3
020– 3
+ 021– 40
x
e x
e
x
e




2
2
10 /
3
.
|n
022– 43 32
Use
_
with the following single initial estimates: 10, 1, and 10
-20
.
Keystrokes Display
|¥
Run mode.
10
v
10.0000
Single estimate.
´ _
.0
Error 8
− 455.335
Best x -value.
) 48,026,721.85
Previous value.
) 1.0000
Function value.
| (| ( 455.4335
Restore the stack.
´ _
.0
Error 8
−
48,026,721.85
Another x -value
))
1.0000
Same function value
(an asymptote).
1
v
1.0000
Single estimate.
´ _
.0
Error 8
−
2.1213
Best x -value.
)
2.1471
Previous value.
)
0.3788
Function value.
| (| (
2.1213
Restore the stack.
´ _
.0
Error 8
−
2.1213
Same x -value.
) ) 0.3788
Same function value
(a minimum).
‛ “
20
v
1.0000 –20
Single estimate.