Casio FX-9860GII - SOFTWARE VERSION 2-00 Reference guide

fx-9860GII
QUICK REFERENCE CARD
“The Basics” Reference Card
CASIO fx-9860GII Series
The Okey will power the unit on.
To turn the unit off, press the yellow
Lkey, then Okey.
The l key executes operations.
When data is entered, the l button
must be pressed to store the data.
The
d
key operates like the back
arrow on a web browser; it will take
you back one screen each time you
select it. The d key will not take
you to the icon menu.
Selecting the RUN icon
will allow you to perform
general computations and
arithmetic.
The pkey displays every mode the
calculator has. To select a mode,
you may $B to the desired icon
and press l or press the number or
letter in the lower right hand corner
of the icon.
The x key is a toggle key that will
change answers or entered numbers
back and fourth from decimal to
fraction form.
The zkey is used to obtain a
fraction bar. To obtain a mixed
number, press zafter inputting
the whole number.
The function keys allow you to
access the tab (soft key) menus that
will come up at the bottom of the
screen. When an appears above
the ukey, selecting uwill offer
more on-screen choices.

fx-9860GII
BASIC FUNCTIONALITY
The following explains the meaning of each icon on the fx-9860GII main icon menu.
ICON Menu Name Description
RUN This icon menu is used for general computations, including binary, octal,
decimal, and hexadecimal functions and matrices.
STATISTICS
This icon menu is used to perform single-variable (standard deviation) and
paired variable (regression) statistical calculations, to perform tests, to
analyze data and to draw statistical graphs.
eeACTIVITY
eActivity lets you input text, math expressions, and other data in a notebook-
like interface. Use this mode when you want to store text, formulas, or built-in
application data in a le.
rSpreadsheet This icon menu is used for creating spreadsheets.
GRAPH The icon menu is used to draw, store and calculate information of functions.
DYNAMIC
GRAPH
This icon menu is used to draw multiple versions of a graph by changing the
values in a function.
TABLE
This icon menu is used to store functions, to generate a numeric table of
different solutions as the values assigned to variables in a function change,
and to draw graphs.
RECURSION
This icon menu is used to store recursion formulas, to generate a numeric
table of different solutions as the values assigned to the variables in a
function change, and to draw graphs.
CONICS
This icon menu is used to graph parabolas, circles, ellipses, and hyperbolas.
You can input a rectangular or polar coordinate function or a parametric
function for graphing.
EQUATION This icon menu is used to solve linear equations with two through six
unknowns, and high-order equations from 2nd to 6th degree.
PROGRAM This icon menu is used to store programs in the program area and to run
programs.
TIME VALUE
OF MONEY
This icon menu is used to perform nancial calculations and to draw cash ow
and other types of graphs.
Data
Analyzer Link
This icon menu is use to control the optionally available EA-200 Data
Analyzer. For information about this icon menu, download the E-CON2
manual from http://edu.casio.com.
LINK This icon menu is used to transfer memory contents or back-up data to
another unit or PC.
MEMORY This icon menu is used to manage data stored in memory.
SYSTEM This icon menu is used to initialize memory, adjust contrast, reset memory,
and to manage other system settings.
GEOMETRY This mode allows you to draw, analyze and animate geometric objects.

RUN
This section is an overview of the Run Icon. To select an icon from the icon menu system,
use the!$BNto highlight the desired icon, then press lor press the
number/letter in the lower right corner of the icon. For the Run menu, press1to display
the initial screen.
Note: All operations in this handout will utilize the “Math” input mode, which allows
natural input and display of certain functions, just as they appear in a textbook. To make
sure your calculator is in “Math” mode, press Lpqd.
1. When performing general computations, you can press zto enter fractions and
mixed numbers. To solve the problem, 3
1
2
8
5input the following:
z5N8$+Lz2$1N3l
2. To change the answer, 24
71 , to a mixed number, press LxX.
3. To change the answer to decimal form, press x. xis a toggle key that will switch
entered data or answers from fraction to decimal form or decimal to fraction form.
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4. To change the number of decimal places displayed, enter the set up menu by
pressing Lp. Nto Display, select q(Fix) and enter the desired amount of
decimal places followed by l. For this example, 3 decimal places are used.
LpNNNNNNNNNNNq3ldlx
From the Run menu many calculations can be entered by selecting i. For example:
hyperbolic, probability/distribution, numeric (including differential and integration),
conversion, engineering, complex number and binary, octal, decimal and hexadecimal
calculations.
5. To calculate the possible number of different arrangements using 4 items selected
from among 10 items, enter the following from the Run home screen:
iue10w4l
6. To
calculate 210, enter the following from the Run home screen:
3
iewn10^3$+2l
Calculations can be performed with complex numbers and answers can be
displayed in a+bi form.
7. To calculate ; enter the following:i15
)i23( 
iejn3+2qk+15ql
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Sigma calculations can also be performed in the Run menu.
8. To calculate
; enter the following:


6
2k
2)5k3k(
iruea,s3a,+5$a,$2B6l
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GRAPH
Various icon (Run, Table, Dynamic, Recursion & Conics) will allow you to graph or analyze
the graphs of given information. This section is an overview of the GRAPH Icon and will
highlight some basic features of this mode.
The initial screen allows immediate input of functions set equal to zero. You may begin
inputting data into Y1: pressing lto store. To draw your function, select u.
You can change the type of graph (r = polar coordinate, parametric functions, x =, and
inequalities) by select the corresponding function button and then press$to begin
inputting.
1. To draw the graph of the function from the Icon Menu system, input
the following:
3x5x2y 2
52fs-5f-3l
To analyze features of this graph (roots, maximum and minimums, y-intercepts,
intersections, determine coordinates, and integrals) select y(G-Solv).
2. q(Root):
Note: The left-most root will always display first. Select$to display the next root.
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3. e(Minimum):
Note: As long as the x-value of your vertex is in the viewable domain; you do not need to
see the vertex to calculate the minimum value. However, you can change the viewing
window by selecting e(V-Window)in the graph window. You can also change the
window manually by using!$BN.
4. r(y-intercept):
5. q(y-calculation): What is the value of y when x is 5

?
6. w(x-calculation): What is the value (s) of x when y is 1?
7. e(integral): Determine the integral value at (0,3) for the function .3x5x21Y 2
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TABLE
This section is an overview of the TABLE icon. To select this icon, you may highlight it and
press lor press 7.
The initial screen allows immediate input of functions that are set equal to 0. To change
the type of expression to be entered, select wfor polar coordinates or efor parametric
functions.
1. To see a table for the function 4x
3
2
y , highlight Y1: and input the following
z2N3$f-4lu
2. The default setting for tables is: X starts at 1, ends at 5, and increases by increments
of 1. You change this by pressing dor q(FORM) to return to the initial screen
and then select y(SET).
3. However, you can enter a number anywhere in the x-column of the table and
presslto see the corresponding y-value (including fractions, decimals, even

).
You can insert and delete rows in this view by pressing e(ROW).
4. From the table view screen, you can press y(G-CON) to see a connected plot or
u(G-PLT) to see a plot graph for the function you entered.
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5. To see a split screen of your table and graph, press Lpto enter the setup
menu for the table icon and Nto Dual Screen, select q(T + G), d, then u.
To generate a differential number table, press Lpto enter the setup menu for the
table icon and Nto Derivative, select q(On), d, and then u.
6. For this example, enter YI: 3and Y2: x thenuto view the differential
number table.
2x22
Note: Locating the cursor at a differential coefficient displays “dy/dx” in the top
line, which indicates differential.
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STATISTICS
This section is an overview of the STAT icon; it will highlight just a few of the features for
single-variable data and paired-variable data. To select this icon, you may highlight it and
presslor press2.
The initial screen is the List Editor Screen that allows input of statistical data and performs
numerous statistical calculations. To input a list of single-variable data, highlight the first
cell under List 1 and enter each number followed by l.
1. For this example, input this set of data:
1, 0.5, 1.2, 4, -1, 1, 3, 5, 6, 3.4
2. From this screen you can display various graphs depending on whether you have
single or paired-variable data (scatter-plot, line, normal probability, histogram,
median box, mean box, normal distribution, broken line, and regression: linear,
quadratic, cubic, quartic, logarithmic, exponential, power, sinusoidal and logistic).
3. The initial default graph is a scatter-plot. To change the type of graph you would
like to use, press q(GRPH), then u(SET), arrow down to Graph Type:, for this
set of data, we will use a histogram, press u, and then qfor histogram.
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4. Press dto take you back to your list of data and select q(GPH1) and then lto
see your graph.
5. The following screen shots show what one-variable calculations can be obtained by
pressing
q.
6. To delete this set of data, press duntil you return to the initial List Editor screen.
Select ufor more options, arrow up until List 1 is highlighted, select r(Del-A),
then q.
7. For paired variable data, use the following:
List 1: 0.5, 1.2, 2.4, 4.0, 5.2
List 2: -2.1, 0.3, 1.5, 2.0, 2.4
Enter List 1 first, and then $and begin entering List 2.
8. To see a scatter-plot of these data, you can go through and change back GPH 1
using the process above, or select w(GPH 2) from the List Editor screen whose
default is also a scatter-plot.
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9. From the scatter-plot screen, pressing qwill show all the calculations that can be
obtained from this set of data.
10. To calculate linear regression, select wfrom the first set of options and then press
qfor form.baxy 
11. From this screen, you select y(COPY) to copy and then paste the equation into
the initial graph screen or select u(DRAW) to show the linear regression.
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EQUATION
This section is an overview of the EQUATION Icon. To select this icon, highlight it and
press lor press f.
The initial Equation Editor screen has three modes to choose from, Simultaneous,
Polynomial, and Solver; this section will give an overview of each mode.
The Simultaneous mode allows you to solve simultaneous linear equations with two to six
unknowns.
1. Solve the following system of equations:








7zy4x5
1z3y6x
1z2yx4
Press qto select the Simultaneous mode and press wfor three unknowns. The
calculator will display a matrix where the coefficients and constants can be entered
in to as long as each equation is in standard form. To enter this system of equations
(already in standard form) input the following:
4 l1 ln 2 ln 1 l
1 l6 l3 l1 l
n 5 l4 l1 ln 7 l
There are four options at the bottom of the screen, press q(SOLV). The solution
to this system is (1, -1, 2).
Casio “The Basics fx-9860GII” 11

Press dto return to the previous screen, press q(REPT) to edit this problem or
continue solving simultaneous equations with three unknowns. To edit just one of the
numbers in the system, arrow to the number and press r(EDIT) or highlight the number
to be edited and input the new number and press l.
Press duntil the Equation Editor screen is displayed. The second mode is Polynomial
wand can be used to solve second to sixth degree polynomial equations (in standard
form).
2. To solve the equation x3– 2x2– x + 2 = 0, input the following from the Equation
Editor screen:
ww1ln2ln1l2lq
3. To change the equation to x3+ 2x2+ 3x + 2 = 0, select q(REPT) and change the b-
value to 2, the c-value to 3 and press q(SOLV).
4. The default setting is for real numbers, to change the display to a+bi form, press
Lpfor the Polynomial Set-Up menu, select w(a+bi), d, and then
q(SOLV).
Casio “The Basics fx-9860GII” 12

The third function, Solver e, allows you to determine the value of any variable in a
formula or equation. You can input any formula exactly as it appears using afor any
variables. We will take a look at solving a linear equation and a formula.
5. To find the value of x in the following equation: 2(x 5) = 3x + 2, input the
following starting from the Equation Editor Screen:
e2jf-5kL.n3f+2lu
Note: In the last screen, “Lft” and “Rgt” represent the values of the left and right sides of
the equation using the value of the solution; this is the calculator’s way of checking the
solution.
You can also enter a formula, assign values and solve for specific variables using the
Solver function of the Equation Editor.
6. Find the radius (to the nearest hundredth) of sphere, whose volume is 3705.97 cm3.
To enter the formula 3
4
Vr3input the following in to the calculator:
qBa2L.z4N3$Lca6^3l
Note: selecting qwill take you back to the previous screen where you can edit and re-
solve the previous equation or begin a new problem.
Casio “The Basics fx-9860GII” 13

CONICS
This section is an overview of the CONICS Icon. To select this icon, you may highlight it
and press lor simply press 9.
The initial screen allows you to choose from various conic functions. You may use the B
orNto select the equation of the function in accordance with the type of graph you want
to draw. Once you have chosen the conic function that you would like to graph, you will
need to enter the coefficients of the function and then press DRAW u.
1. To view the graph of the conic: y, select the form
from the Conics formula menu.
3x
5x2 2 CBXAXY 2
In the Conics modes, when you press y(G-Solv), although you are still graphing a
parabola like in the graphing section, notice how the vocabulary and options have
changed.
2. For example, you can now examine the line of symmetry for this parabola and the
equation of that line will be displayed.
You can continue to analyze different areas of this graph and the line of symmetry
will still be displayed.
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