8/2/2019 Introduction to the Graphing Calculator
1/33
Introduction to the GraphingCalculator
TI-83/TI-84 Series
8/2/2019 Introduction to the Graphing Calculator
2/33
Negative
vs.
Subtraction
8/2/2019 Introduction to the Graphing Calculator
3/33
Subtraction
The blue/gray key located two above theenter key and next to the 6 key
Note: blue/gray means its blue on the 83and gray on the 84.
http://www.ti.com/calc/docs/83pbig.htmhttp://www.ti.com/calc/docs/83pbig.htm8/2/2019 Introduction to the Graphing Calculator
4/33
Negative
Used for negative numbers
The white key to the left of the enter key
8/2/2019 Introduction to the Graphing Calculator
5/33
Example
Subtraction
Negative Number
Note that the negative sign is smaller and higher than
the subtraction sign
8/2/2019 Introduction to the Graphing Calculator
6/33
Example
If you use the wrong sign,
Such as
Whats wrong? The second minus sign should be a negative sign
You will get the following error message
Select option 2 and you will be taken to theerror
8/2/2019 Introduction to the Graphing Calculator
7/33
Lighten/Darken
Calculator
8/2/2019 Introduction to the Graphing Calculator
8/33
Lighten the Calculator Screen
If the screen is too dark,
Hit 2nd down arrow (one at a time) to lighten
screen
Continue hitting 2nd down arrow until screen is
to your liking.
8/2/2019 Introduction to the Graphing Calculator
9/33
Darken the Calculator Screen
If the screen is too light, Hit 2nd up arrow (one at a time) to lighten
screen
Continue hitting 2nd up arrow until screen is toyour liking.
While you are doing this, a number willbriefly appear in the upper right handcorner. If the number is 9, change the batteries.
8/2/2019 Introduction to the Graphing Calculator
10/33
MISC
8/2/2019 Introduction to the Graphing Calculator
11/33
CLEAR
Hit Clear to remove items from home screen
Before clear
After clear
8/2/2019 Introduction to the Graphing Calculator
12/33
Delete
To delete an entry in an expression
before you hit ENTER
Note the two plus signs
8/2/2019 Introduction to the Graphing Calculator
13/33
Delete
8/2/2019 Introduction to the Graphing Calculator
14/33
Answer
Used when the answer to one problem is used
in another
2(3 +4 + 5) Do whats in parenthesis first
8/2/2019 Introduction to the Graphing Calculator
15/33
Answer
Need to multiply that answer by 2
Hit * 2
Note that ANS comes up automatically
That always happens when you start a new line
with an operation rather than a number
8/2/2019 Introduction to the Graphing Calculator
16/33
2nd
8/2/2019 Introduction to the Graphing Calculator
17/33
2nd Key
Notice that many of the keys have
yellow/blue lettering above them
To access that function, hit 2nd, then the key
8/2/2019 Introduction to the Graphing Calculator
18/33
To find the square root of a number:
is above the x2 key in blue
Hit 2nd
x2
Your screen will look as follow:
To find (I hope you can do this by hand)
Hit 2nd x2 25 ENTER
Screen:
25
8/2/2019 Introduction to the Graphing Calculator
19/33
Home Screen
The home screen is the screen that you use to do
arithmetic
To get back to the home screen Use Quit
2nd MODE
8/2/2019 Introduction to the Graphing Calculator
20/33
OFF
Your calculator will turn itself off after a
certain inactive period
Its still using the batteries until it does this
To turn your calculator off,
OFF is above ON
2nd ON
8/2/2019 Introduction to the Graphing Calculator
21/33
ENTRY
Above the ENTER key
Used to recall an operation after you have
used ENTER
Suppose you have to calculate
2 + 3 + 4 + 5 + 6 + 7 + 8 + 9
Type problem in and hit ENTER
8/2/2019 Introduction to the Graphing Calculator
22/33
ENTRY
Oops, the second 2 should be a 3
Instead of retyping the entire expression Use 2nd ENTER
8/2/2019 Introduction to the Graphing Calculator
23/33
ENTRY
Type a 3 directly over the 2 and hit
ENTER
8/2/2019 Introduction to the Graphing Calculator
24/33
ENTRY
Use the back arrow key to highlight the second 2
8/2/2019 Introduction to the Graphing Calculator
25/33
Insert
To add a missing number or symbol before
hitting ENTER
Oops, forgot the 4
8/2/2019 Introduction to the Graphing Calculator
26/33
Insert
Use the back arrow to highlight where
the 4 should go
Hit 2nd INS 4 ENTER
8/2/2019 Introduction to the Graphing Calculator
27/33
Insert
8/2/2019 Introduction to the Graphing Calculator
28/33
Answer
Look at the same problem
Still want to multiply that answer by 2 Type in 2 first
8/2/2019 Introduction to the Graphing Calculator
29/33
Answer
You now want to multiply that by the previous
answer
Hit * 2nd (-) (it says ANS above the key) ENTER
Notice that Ans is typed in
8/2/2019 Introduction to the Graphing Calculator
30/33
Answer
8/2/2019 Introduction to the Graphing Calculator
31/33
Answer
Hit ENTER to get answer
8/2/2019 Introduction to the Graphing Calculator
32/33
Delete
Use the back arrow to highlight one
of the plus signs
Hit DEL ENTER
8/2/2019 Introduction to the Graphing Calculator
33/33
THE END
Top Related