beautypg.com

HP 15c User Manual

Page 232

background image

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.