Basic Operation; Calculating; Using The Ans Memory; Answer Display - Texas Instruments TI-84 Plus Manual

TI-83, TI-83 Plus, TI-84 Plus Guide

Basic Operation

You should be familiar with the basic operation of your calculator. With your calculator in hand,
go through each of the following.

1. CALCULATING

parentheses to control the calculator's order of operations. Always enclose in
parentheses any numerator, denominator, quantity to be raised to a power, or
exponent that consists of more than one symbol.
1
Evaluate
+
4 15 *
parentheses. It is not necessary to use parentheses around
the fraction
895/7
numerator and one symbol in the denominator..
4
−
−
( 3)
Evaluate
+
8 1 456 .
for the subtraction sign. To clear the home screen, press
CLEAR .
NOTE: The numerator, denominator, and quantity to be raised to the 4
must be enclosed in parentheses.
Now, evaluate e
parenthesis when you press
assumes that you are inserting a right parenthesis at the end of
what you type unless you insert one elsewhere.
2. USING THE ANS MEMORY Instead of again typing an expression that was just
evaluated, use the answer memory by pressing
F
G G
Calculate
H
4 15 *
-1
Ans
Type by pressing

3. ANSWER DISPLAY

digits, your calculator can provide the answer in the form of a fraction. When an
answer is very large or very small, the calculator displays the result in scientific
notation.
Copyright © Houghton Mifflin Company. All rights reserved.
2
You can type in lengthy expressions; just be certain that you use
. Enclose the denominator in
895
7
because there is only one symbol in the
5
. Use (−) for the negative symbol and
* 2 ≈ 40.17. The calculator prints the left
3
2ND LN (e
I
−
1
1
J J
using this nice shortcut.
K
895
+
7
(−) (ANS)
2ND
When the denominator of a fraction has no more than three
−
x
The calculator
).
(−)
2ND (ANS).
−1
.
x
th
power