Calculator User Manual

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 1215EQSOLV.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 1215EQSOLV.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
s
imultaneous equation solver solves systems of up to 30 linear equations with 30 unknowns.
Entering Equations to Solve Simultaneously

Display the
SIMULT
number screen.

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
3
b
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.