HP HP-15C - Page 232

232 Appendix D: A Detailed Look at _
Keystrokes
Display
÷
017– 10
.10/x
'
018– 12
+
019– 40
x
ex
e
x
e



2
2
10/
.
3
020– 3
+
021– 40
x
ex
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.