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Texas Instruments TI-86 User Manual

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212

Chapter 15: Equation Solving

15EQSOLV.DOC TI-86, Chap 15, US English Bob Fedorisko Revised: 02/13/01 2:34 PM Printed: 02/13/01 3:04 PM Page 212 of 12

15EQSOLV.DOC TI-86, Chap 15, US English Bob Fedorisko Revised: 02/13/01 2:34 PM Printed: 02/13/01 3:04 PM Page 212 of 12

15EQSOLV.DOC TI-86, Chap 15, US English Bob Fedorisko Revised: 02/13/01 2:34 PM Printed: 02/13/01 3:04 PM Page 212 of 12

Storing a Polynomial Coefficient or Root to a Variable

ᕡ Move the cursor to the = sign next to the

coefficient or root value you want to store.

# # #

ᕢ Display the

Sto

prompt. ALPHA-lock is on.

ᕣ Enter the variable to which you want to

store the value.

ᕤ Store the value.

X

ã

R

д г

O

д г

O

д г

T

ä

1

1

b

ᕥ Display the

Name=

prompt for the

coefficents list name. ALPHA-lock is on.

ᕦ Enter the list variable name to which you

want to store the coefficients.

ᕧ Store the polynomial coefficient values.

'

ã

C

д г

O

д г

E

д г

F

ä

1

1

b

To return to the coefficients-entry screen, where you can edit coefficients and calculate
new solutions, select

COEFS

from the

POLY

RESULT

menu.

To switch to the coefficients-
entry screen, select COEFS
from the POLY RESULT
menu.

To find roots on the home
screen or in a program,
select poly from the
CATALOG

.