Introduction to the Graphing Calculator

8/2/2019 Introduction to the Graphing Calculator

1/33

Introduction to the GraphingCalculator

TI-83/TI-84 Series


2/33

Negative

vs.

Subtraction


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.htm


4/33

Negative

Used for negative numbers

The white key to the left of the enter key


5/33

Example

Subtraction

Negative Number

Note that the negative sign is smaller and higher than

the subtraction sign


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


7/33

Lighten/Darken

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.


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.


10/33

MISC


11/33

CLEAR

Hit Clear to remove items from home screen

Before clear

After clear


12/33

Delete

To delete an entry in an expression

before you hit ENTER

Note the two plus signs


13/33

Delete


14/33

Answer

Used when the answer to one problem is used

in another

2(3 +4 + 5) Do whats in parenthesis first


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


16/33

2nd


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


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


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


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


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


22/33

ENTRY

Oops, the second 2 should be a 3

Instead of retyping the entire expression Use 2nd ENTER


23/33

ENTRY

Type a 3 directly over the 2 and hit

ENTER


24/33

ENTRY

Use the back arrow key to highlight the second 2


25/33

Insert

To add a missing number or symbol before

hitting ENTER

Oops, forgot the 4


26/33

Insert

Use the back arrow to highlight where

the 4 should go

Hit 2nd INS 4 ENTER


27/33

Insert


28/33

Answer

Look at the same problem

Still want to multiply that answer by 2 Type in 2 first


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


30/33

Answer


31/33

Answer

Hit ENTER to get answer


32/33

Delete

Use the back arrow to highlight one

of the plus signs

Hit DEL ENTER


33/33

THE END

Introduction to the Graphing Calculator

Documents

Transcript of Introduction to the Graphing Calculator