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Casio NP20 - page 1
E ALGEBRA FX 2.0 User’s Guide ...
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Casio NP20 - page 2
GUIDELINES LAID DO WN BY FCC RULES FOR USE OF THE UNIT IN THE U .S.A. (not appli- cab le to other areas). NO TICE This equipment has been tested and f ound to comply with the limits for a Class B digital de vice , pursuant to P ar t 15 of the FCC Rules. These limits are designed to pro vide reasonab le protec- tion against harmful interference in a ...
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Casio NP20 - page 3
19990401 BEFORE USING THE CALCULA TOR FOR THE FIRST TIME... This calculator does not contain any main batteries when you purchase it. Be sure to perform the follo wing procedure to load batter ies , reset the calculator, and adjust the contrast bef ore tr ying to use the calculator for the first time . 1. Making sure that you do not accidently pres ...
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Casio NP20 - page 4
19990401 P button 5. Press m . • If the Main Menu sho wn to the right is not on the display , press the P b utton on the back of the calculator to per fo rm memory reset. 6. Use the cursor keys ( f , c , d , e ) to select the SYSTEM icon and press w , then press 2 ( ) to displa y the contrast adjustment screen. 7. Adjust the contrast. • The e c ...
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Casio NP20 - page 5
19990401 Tu r n ing Po wer On And Off Using Modes Basic Calculations Replay Feature Fraction Calculations Exponents Graph Functions Dual Graph Bo x Zoom Dynamic Graph Ta bl e Function Quick-Start ...
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Casio NP20 - page 6
19990401 Quick-Star t We lcome to the w orld of gr aphing calculators . Quick-Start is not a complete tutorial, but it takes you through many of the most common functions, from turning the power on, and on to graphing comple x equations. When you’re done, you’ll have mastered the basic operation of this cal cul ato r and will be ready to procee ...
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Casio NP20 - page 7
19990401 2. Use defc to highlight RUN • MA T and then press w . This is the initial screen of the RUN • MA T Mode, where you can perf or m man ual calculations, matrix calculations, and run programs. BASIC CALCULA TIONS With manual calculations, you input f or m ulas from left to r ight, just as the y are wr itten on paper . With f or m ulas th ...
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Casio NP20 - page 8
19990401 1. Press u 3 SET UP to display the SET UP screen. 2. Press cccc 1 (Deg) to specify degrees as the angle unit. 3. Press i to clear the menu. 4. Press o to clear the unit. 5. Press cf* s ef w . REPLA Y FEA TURE With the repla y f eature , simply press d or e to recall the last calculation that wa s perf or med so you can make changes or re-e ...
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Casio NP20 - page 9
19990401 FRACTION CALCULA TIONS Y ou can use the $ ke y to input fractions into calculations. The symbol “ { ” is used to separate the various par ts of a fraction. Example: 1 15 / 16 + 37 / 9 1. Press o . 2. Press b $ bf $ bg+d h $ j w . Conver ting a Mixed Fraction to an Improper Fraction While a mixed fraction is sho wn on the display , pres ...
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Casio NP20 - page 10
19990401 EXPONENTS Example: 1250 × 2.06 5 1. Press o . 2. Press bcfa*c.ag . 3. Press M and the ^ indicator appears on the display . 4. Press f . The ^5 on the display indicates that 5 is an e xponent. 5. Press w . 5 Quick-Star t ...
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Casio NP20 - page 11
19990401 GRAPH FUNCTIONS The graphing capabilities of this calculator makes it possible to draw complex graphs using either rectangular coordinates (hor iz ontal axis: x ; ver tical axis: y ) or polar coordinates (angle: θ ; d istance from or igin: r ). All of the following g raphing examples are perf or med starting from the calculator setup in e ...
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Casio NP20 - page 12
19990401 2. Press b (Root). Press e for other roots. Example 3: Deter mine the area bounded by the origin and the X = –1 root obtained for Y = X(X + 1)(X – 2) 1. Press i 4 (G-SL V) c . 2. Press i ( ∫ dx ). 3. Us e d to mov e the pointer to the location where X = –1, and then press w . Next, use e to mov e the pointer to the location where X ...
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Casio NP20 - page 13
19990401 DUAL GRAPH With this function you can split the displa y between two areas and display two g raphs on the same screen. Example: To dra w the following tw o graphs and deter mine the points of intersection Y1 = X(X + 1)(X – 2) Y2 = X + 1.2 1. Press u 3 SET UP ccc 2 (G+G) to specify “G+G” for the Dual Screen setting. 2. Press i , and t ...
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Casio NP20 - page 14
19990401 3. Us e d e f c to move the pointer again. As you do , a bo x appears on the display . Mov e the pointer so the box encloses the area you w ant to enlarge. 4. Pr ess w , and the enlarged area appears in the inactive (right side) screen. DYNAMIC GRAPH Dynamic Graph lets you see how the shape of a gr aph is affected as the v alue assigned to ...
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Casio NP20 - page 15
19990401 4. Press 4 (V AR) b w to assign an initial v alue of 1 to coefficient A. 5. Press 2 (RANG) b w d w b w to specify the range and increment of change in coefficient A. 6. Press i . 7. Press 6 (D YNA) to star t Dynamic Graph drawing. The graphs are drawn 10 times . ↓ ↓↑ ↓↑ 10 Quic k-Star t ...
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Casio NP20 - page 16
19990401 TABLE FUNCTION The T able Function makes it possib le to generate a table of solutions as diff erent values are assigned to the variab les of a function. Example: To create a number tab le for the f ollowing function Y = X (X+1) (X–2) 1. Press m . 2. Use defc to highlight GRPH • TBL , and then press w . 3. Input the formula. v ( v +b) ...
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Casio NP20 - page 17
19990401 Handling Precautions •Y our calculator is made up of precision components. Nev er try to take it apar t. •A vo id dropping y our calculator and subjecting it to strong impact. •D o not store the calculator or lea ve it in areas exposed to high temper atures or humidity , or large amounts of dust. When e xposed to low temperatures , t ...
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Casio NP20 - page 18
19990401 Be sure to keep physical records of all important data! Low battery pow er or incorrect replacement of the batteries that po w er the unit can cause the data stored in memor y to be corrupted or ev en lost entirely . Stored data can also be aff ected by strong electrostatic charge or strong impact. It is up to y ou to keep bac k up copies ...
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Casio NP20 - page 19
19990401 • ••••• ••••• ••••• ••• ••••• ••••• •••• ••••• ••• ••••• ••••• ••••• • •• ••••• •••• ••••• ••• ••••• ••••• ••••• •••• •••• ••••• •? ...
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Casio NP20 - page 20
19990401 Contents Getting Acquainted — Read This First! Chapter 1 Basic Operation 1-1 K eys .................................................................................................. 1-1-1 1-2 Displa y .............................................................................................. 1-2-1 1-3 Inputting and Editing Calculation ...
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Casio NP20 - page 21
19990401 Chapter 5 Graphing 5-1 Sample Graphs ................................................................................ 5-1-1 5-2 Controlling What Appears on a Graph Screen ................................. 5-2-1 5-3 Dra wing a Graph .............................................................................. 5-3-1 5-4 Storing a Graph in P ...
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Casio NP20 - page 22
19990401 3 Contents Chapter 10 Data Communications 10-1 Connecting T wo Units ................................................................... 10-1-1 10-2 Connecting the Unit with a CASIO Label Printer .......................... 10-2-1 10-3 Connecting the Unit to a P ersonal Computer ............................... 10-3-1 10-4 P erforming a Data ...
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Casio NP20 - page 23
19990401 Getting Acquainted — Read This First! About this User’ s Guide u ! x ( ) The abov e indicates you should press ! and then x , which will input a symbol. All mu ltiple-key input operations are indicated like this . K e y cap markings are shown, f ollowed by the input character or command in parentheses . u Function Keys and Menus •M a ...
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Casio NP20 - page 24
19990401 0-1-1 Getting Acquainted u Graphs As a general rule, graph operations are shown on facing pages, with actual graph examples on the right hand page. Y ou can produce the same g r aph on your calculator by performing the steps under the Procedure abov e the graph. Look f or the type of g raph you w ant on the r ight hand page, and then go to ...
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