Texas Instruments TI-84 Plus Silver Edition Manual de usuario

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Math 1314 with Integrated Technology

Math 1314 with Integrated TechnologyMath 1314 with Integrated Technology

Math 1314 with Integrated Technology

Calculator Guide

Calculator GuideCalculator Guide

Calculator Guide

This guide is an introduction to the use of a graphing calculator. It is

not a comprehensive guide. The tools illustrated in this guide are

limited to the tools needed for Math 1314 with Integrated Technology.

The calculator references are to a Texas Instruments TI-84 Plus

graphing calculator. The keystroke sequences should be similar on

other TI products, although some calculator features (such as key

colors) may differ. Students using graphing calculators other than TI

calculators are advised to consult the user guide for their calculator

brand to make any necessary modifications to the keystrokes described

in this guide. Most user guides are available online.

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Getting Orien

Getting OrienGetting Orien

Getting Oriented

tedted

ted

The face of the calculator has five distinct parts.

Display Screen

The display screen will show all computations and functions that you enter and will

display graphs of functions.

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Below the display screen are five buttons which access 10 different menus, each of which

will be discussed in detail in this guide. These gray keys are labeled as follows: Y=,

WINDOW, ZOOM, TRACE, and GRAPH. There are blue titles above these labels:

STATPLOT, TBLSET, FORMAT, CALC, and TABLE. Many of the functions

needed for this course will be accessed using these five keys.

Menu Keys

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Below these five keys and to the right are arrow keys that will move the cursor up, down,

left or right. When looking at graphs, the left/right arrow keys will move the cursor to

the left/right on the graph, and the up/down arrow keys will toggle between functions, if

more than one function is graphed.

Arrow Keys

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The black keys access the most commonly used functions and menus that will be needed

in the course.

Commonly Used Functions

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The gray and white keys towards the bottom and right of the key pad give the digits from

0 – 9, decimal point, (-) and the usual arithmetic operations. At the bottom right is the

ENTER key that you will use to tell the calculator to perform the operations or functions

that you have displayed on the screen.

Calculator Keypad and Operations

ENTER

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There are two other important keys: The 2

key and the ALPHA key. Notice that each

key on the calculator has blue writing above it (on calculators other than the TI-84 Plus,

this may be a different color), and most keys have a green letter or punctuation mark

above it. When the function given in blue is needed, press the 2

key, then the button

that has the required function above it. So, for example, to access the square root

function, press 2

. Similarly, to access letters of the alphabet, press ALPHA and the

key that has the desired letter above it.

Key

ALPHA Key

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Calculator Basics

Calculator BasicsCalculator Basics

Calculator Basics

Note: throughout this guide, the comma ey will be noted as

Note: throughout this guide, the comma ey will be noted as Note: throughout this guide, the comma ey will be noted as

Note: throughout this guide, the comma ey will be noted as

(comma) and the X,T,

and the X,T,and the X,T,

and the X,T,

,n ey will

,n ey will ,n ey will

,n ey will be noted as X.

be noted as X.be noted as X.

be noted as X.

On/Off:

To turn the calculator on, press the ON button (lower left corner).

To turn the calculator off, press 2

ON. Note that the calculator will

automatically turn off after a period of disuse.

Making the Screen Lighter/Darker:

To make the screen darker, press 2

↑. It may take several applications of 2

↑

to achieve the desired result. To make the screen lighter, press 2

↓. With

weaker batteries, it may be necessary to make the screen darker. With new

batteries, it may be necessary to make the screen lighter.

Clear:

To clear the entire main screen, press CLEAR. It may be necessary to press

CLEAR CLEAR to get a blank screen.

To pull a previous entry to the current line of the main screen, press 2

ENTER.

It may be necessary to do this several times to get to the desired previous entry.

Last Entry:

To use the last value on the main screen in future computations, press

(-). The display will show ANS after pressing 2

(-).

Insert/Delete:

To delete a character, use the arrow keys to put the cursor on the specific

character you wish to delete. Then press DEL. To insert a character or characters,

use the arrow keys to put the cursor on the character to the right of the desired

location for the new character(s). Then press 2

DEL and enter the new

character(s).

Alpha Lock:

To lock the calculator for alphabet entry, press 2

ALPHA.

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Moving Back to the Main Screen:

To return to the main screen from any other screen, press 2

Mode.

Error Prompts

Occasionally, the calculator will not understand a command and will return an

ERROR prompt. There is usually a description of the error, and sometimes there

is an option to GOTO the error so that it can be fixed. Often the correction is

easy, such as fixing an erroneous error in the WINDOW menu, or removing an

accidental user request to divide a quantity by 0.

Resetting the Calculator:

To reset the calculator, press 2

+. Press 7. Press 1. The following screen

cautions that all data and all programs will be erased. To reset, press 2. To leave

the reset menu without resetting, press 1. Note: Resetting is a last resort option!!

Do NOT reset the calculator until all other options have been exhausted.

If there are no other options, programs stored in the calculator can be archived.

To do this press 2

+ and select 5. Press ENTER. Now mark the program to

archive. Press PRGM and cursor down to the program to archive. Press

ENTER. An asterisk will appear next to the program name. When the calculator

is reset, the program will not be erased. To unarchive a program, press 2

+ and

select 6. Now mark the program to archive. Press PRGM and and cursor down

to the program to unarchive. Press ENTER. The asterisk will disappear next to

the program name. A program may not be run until it has been unarchived.

Mode:

Press MODE to view the various entries on this menu. For this course, each line

should have the left-most entry highlighted. Occasionally, it will be necessary to

change the fifth line from CONNECTED to DOT.

Variable Key:

The calculator has one key for use in entering variables, the Xkey. This key is

located below the MODE key. No matter what variable is stated in the problem,

the calculator entry will be as x.

Store/Recall:

To store a number as a variable, press (number), STO>, ALPHA, (letter),

ENTER.

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To recall a number, press 2

STO>, ALPHA, (letter) ENTER.

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