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Section

Using

SOLVE

Effectively

4.2725

1(T8

-1.9931X10~5

a2=

1.0229

X1CT3

al=

3.7680

10"1

-8.1806

This equation

valid

for 1

t < 32,

representing March, 1978.

First

convert

5°18'S

decimal degrees (press

5.18

[CHS][g][*H]),

obtaining

—5.3000

(using

|FIX|

display

mode).

(Southern latitudes

are

expressed

negative numbers

for

calculation purposes.)

The

solution

Coulerre's problems

is the

value

of t

satisfying

—5.3000

a4t

a%t

a2t

a0.

Expressed

in the

form

required

[SOLVE

|, the

equation

a4t4

a3t3

a2t2

a^t

2.8806

where

the

last, constant term

now

incorporates

the

value

of the

declination.

Using

Homer's

method,

the

function

to be set

equal

zero

f(t)

(((a4t

a3)t

a2)t

ajt

2.8806

shorten

the

subroutine, store

and

recall

the

constants using

the

registers corresponding

to the

exponent

oft.

Keystrokes

Display

|ON

Error

Clears calculator's

memory.*

o.oooo

rifllP/R

000- Program

mode.

"This

step

included

here

only

ensure

that

sufficient

memory

is available for the

examples

that

this

handbook.

Brand	HP
Model	HP-15C
Category	Calculator
Language	English

HP HP-15C Advanced Functions Handbook

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