Chapter 1: Getting Started 9
01STARTDOC TI
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89/TI
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92Plus:GettingStarted (English) BobFedorisko Revised:02/23/01 10:47 AM Printed:02/23/01 2:10 PM Page9 of 12
Steps
³
TI.89
Keystrokes
›
TI.92 Plus
Keystrokes Display
Expanding Expressions
1. Expand the expression (xì5)3.
You can enter “expand” on the entry
line by typing
EXPAND
on the
keyboard, or by pressing
„
and
selecting
3:expand(
.
2. (Optional) Enter other
expressions on your own.
„3
cX|5dZ3
d
¸
„3
cX|5dZ3
d
¸
Reducing Expressions
1. Reduce the expression
(x2ì2xì5)/(xì1) to its simplest
form.
You can enter “propFrac” on the entry
line by typing
PROPFRAC
on the
keyboard, or by pressing
„
and
selecting
7:propFrac(.
„7
cXZ2|2X
|5de
cX|1dd
¸
„7
cXZ2|2X
|5de
cX|1dd
¸
Factoring Polynomials
1. Factor the polynomial (x2ì5)
with respect to x.
You can enter “factor” on the entry
line by typing
FACTOR
on the
keyboard or by pressing
„
and
selecting
2:factor(
.
„2
XZ2|5
bXd
¸
„2
XZ2|5
bXd
¸
Solving Equations
1. Solve the equation x2ì2xì6=2
with respect to x.
You can enter “solve(” on the entry
line by selecting
“solve(”
from the
Catalog menu, by typing
SOLVE(
on
the keyboard, or by pressing
„
and
selecting
1:solve(
.
The status line area shows the
required syntax for the marked item
in the Catalog menu.
„1
XZ2|2X|6
Á2bXd
¸
„1
XZ2|2X|6
Á2bXd
¸