The Solver Zoom Menu; The Simultaneous Equation Solver; Entering Equations To Solve Simultaneously - Texas Instruments TI-86 Manual Book

208
Chapter 15: Equation Solving
Chapter 6 and the A to Z
Reference describe these
features in detail.
The coefficients are
SIMULT
not variables.
You can display other menus
in the coefficients-entry
screen.

The Solver ZOOM Menu

GRAPH WIND ZOOM TRACE SOLVE
BOX ZIN ZOUT
BOX Draws a box to redefine the viewing window (Chapter 6)
Magnifies the graph around the cursor by factors of
ZIN
ZOUT Displays more of the graph around the cursor by factors of
ZFACT Displays the
ZSTD Displays the graph in standard dimensions; resets the default window variable values
for Func graphing mode

The Simultaneous Equation Solver

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

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
is displayed.
- t equation b (
ZSTD
ZFACT
ZOOM FACTORS screen (Chapter 6)
- u
b
3
menu also
and (Chapter 6)
xFact yFact
xFact and yFact
- u
(Chapter 6)