Storing And Recalling Zoom Window Variable Values; Using Interactive Math Functions; The Graph Math Menu - Texas Instruments TI-86 Manual Book

You can select all zoom-
window variables from the
screen in any
VARS WIND
graph mode.
You also can enter the
variable characters
individually.
The zoom-window variables
resume their standard default
values when you reset
defaults.
Storing and Recalling Zoom-Window Variable Values
To store all current zoom-window variable values simultaneously as a user-defined
custom zoom feature, select
To execute a user-defined custom zoom, which resets the graph screen to the stored
zoom-window variables, select
Using in these graphing modes:
ZSTO
Func , Pol , Param , and DifEq
Pol graphing mode only
Param graphing mode only
DifEq graphing mode only

Using Interactive Math Functions

When you select a
GRAPH MATH
trace cursor. To perform the
When a menu operation prompts you to specify left bound, right bound, and
GRAPH MATH
guess, the accuracy of the values you specify will affect the length of time the TI-86 spends
calculating the answer; the better the guess, the shorter the calculation time.

The GRAPH MATH Menu

MATH DRAW FORMT STGDB RCGDB
ROOT dyàdx ‰f(x)
from the
ZSTO GRAPH ZOOM
from the
ZRCL GRAPH ZOOM
Stores to these zoom-window variables:
graphing modes zxMin
zqMin
ztMin ,
ztMin ,
operation, Smart Graph displays the current graph with the
operation, press # and $ to move to the function.
GRAPH MATH
6 / &
FMIN FMAX 4 INFLC
4 TANLN
Chapter 6: Graph Tools
menu.
menu.
, zxMax , zxScl , zyMin , zyMax
, zqMax , and zqStep
ztMax , and ztStep
ztMax , ztStep , and ztPlot
YICPT ISECT
95
, and zyScl
DIST ARC