The solver zoom menu, The simultaneous equation solver, Entering equations to solve simultaneously – Texas Instruments TI-86 User Manual

Page 220: The simultaneous equation solver - u

208

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 208 of 12

The Solver ZOOM Menu

- t equation b (

GRAPH

WIND

ZOOM

TRACE SOLVE

BOX

ZIN

ZOUT

ZFACT

ZSTD

BOX

Draws a box to redefine the viewing window (Chapter 6)

ZIN

Magnifies the graph around the cursor by factors of

xFact

and

yFact

(Chapter 6)

ZOUT

Displays more of the graph around the cursor by factors of

xFact

and

yFact

(Chapter 6)

ZFACT

Displays the

ZOOM

FACTORS

screen (Chapter 6)

ZSTD

Displays the graph in standard dimensions; resets the default window variable values
for

Func

graphing mode

The Simultaneous Equation Solver

- u

The

imultaneous equation solver solves systems of up to 30 linear equations with 30 unknowns.

Entering Equations to Solve Simultaneously

ᕡ Display the

SIMULT

number screen.

ᕢ Enter an integer ‚ 2 and 30 for the

number of equations. The coefficients-
entry editor for the first equation (for a
system of n equations and n unknowns) is
displayed. The

SIMULT ENTRY

menu also

is displayed.

- u

Chapter 6 and the A to Z
Reference describe these
features in detail.

The SIMULT coefficients are
not variables.

You can display other menus
in the coefficients-entry
screen.