HP 15c - Manual (Page 232)

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.