Casio FX-9750GII - SOFTWARE VERSION 2-00 User manual

QUICK START GUIDE
fx-9750GII
www.casioeducation.com
Selecting the RUN-MATRIX icon will allow you to
perform general computations and arithmetic.
The lkey executes operations. When data is
entered, the lbutton must be pressed to store the
data.
The zkey is used to obtain a fraction bar. To obtain
a mixed number, press zafter inputting the whole
number.
The Okey will power the unit on. To turn the unit
off, press the yellow Lkey, then Okey.
The xkey is a toggle key that will change answers
or entered numbers back and forth from decimal to
fraction form.
The dkey operates like the back arrow on a web
browser; it will take you back one screen each time
you select it. The dkey will not take you to the icon
menu.
The pkey displays every mode the calculator has.
To select a mode, you may $B to the desired icon
and press lor press the number or letter in the
lower right hand corner of the icon.
The function keys allow you to access the tab (soft
key) menus that will come up at the bottom of the
screen. When an uappears above the ukey,
selecting uwill offer more on-screen choices.

fx-9750GII Quick Start Guide
2
Icon Menu Name Description
RUN-MATRIX This icon menu is used for general computations, including absolute value, logs of any base,
summation, derivatives, integrals, and matricies.
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.
GRAPH This icon menu is used to quickly draw, store and calculate information of functions. Can
graph polar, parametric, x=, and inequality graphs on the same screen.
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 the variables in a function change, and to draw graphs.
RECURSION This icon menu is used to store recursive 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 higher-
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 financial calculations and to create cash flow and other
types of graphs.
DATA
ANALYZER LINK
This icon menu is used to control the optionally available EA-200 Data Analyzer. For infor-
mation 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.
The following explains the meaning of each icon on the fx-9750GII icon menu

fx-9750GII Quick Start Guide 3
This section is an overview of the RUN MAT Icon. To select an icon from the icon menu system,
use the !$BN to highlight the desired icon, then press lor press the number/letter in the
lower right corner of the icon. For the Run menu, press 1to display the initial RUN screen.
1. When performing general computations, select zto enter fractions and mixed numbers. To
solve the problem input the following:
• 5z8+2z1z3l
4. To change the displayed number of decimal places, 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.
Note: Every icon’s Set Up menu is accessed in the same manner.
• LpNNNNNNNNNNNq3ldlx
3. To change the answer to a decimal approximation, press x. xis a toggle key that will
switch entered data or answers from fraction to decimal form or decimal to fraction form.
2. To change the answer 24
71 to a mixed number, press LxX.
RUN-MATRIX

fx-9750GII Quick Start Guide
4
From the RUN menu, many calculations can be performed 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 number of different arrangements of 10 items when choosing 4 at a time, enter
the following from the initial Run screen:
• iue10w4l
8. To calculate (-3 + 2i ) + 15i; enter the following:
• ie(n3+2q)+15ql
Note: Calculations can be performed with complex numbers and answers can be displayed
in a+bi form.
7. To calculate 3+4i ; enter the following from the initial RUN screen:
• iew(3+4q)l
  Note:ThexeddecimalsettingwaschangedbacktoNorm1.
6. To calculate -103+ 2 , enter the following from the initial RUN screen:
• iew(n10^3+2)l
RUN-MATRIX

fx-9750GII Quick Start Guide 5
This section is an overview of the GRAPH Icon and will highlight some basic features of this
mode. To enter the Graph menu, highlight the icon and press lor press 3.
The initial screen is the function/relation editor. Enter a function in Y1 and press lto store it.
To draw the function, press u.
To quickly change your window, you can utilize the Replay arrows. Specic changes can be made
to the viewing window by selecting V-Window (e).
To analyze features of this graph (roots, maximum and minimums, y-intercepts, intersections,
determine coordinates, and integrals), select y(G-Solv).
1. To draw the graph of the function y = 2x2 - 5x - 3 from the Graph editor screen, input the
following:
• 2fs-5f-3lu
You can change the type of graph (r = polar coordinates, parametric functions, x =, and
y-inequalities) by pressing e(TYPE), then selecting the corresponding TYPE button.
Press $to begin inputting information.
  Note:WhentheTYPEofgraphischanged,itonlyeffectsthecurrentlineandentries
  belowit.Functionsalreadystoredareunchanged.
GRAPH

fx-9750GII Quick Start Guide
6
2. q(Root):
5. q(y-calculation): What is the value of ywhen x is -5?
6. w(x-calculation): What is the value(s) of xwhen yis 1?
7. e(integral): Determine the integral value from (0, 3) for the function Y1=2x2 - 5x - 3.
  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.
4. r(y-intercept):
  Note:Todisplaythenextroot,simplypress $.
3. e(Minimum):
GRAPH

fx-9750GII Quick Start Guide 7
The section is an overview of the TABLE Icon. To select this icon, highlight it and press lor
press 5.
Note: Functions previously entered in Graph will appear in Table
3. However, you can manually enter a number anywhere in the x-column of the table and press
lto see the corresponding y-value (including fractions, decimals, even π). You can insert and
delete rows in this view by pressing e(ROW). This is a quick way to customize your tables.
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 y(SET). When complete, press d, then u(TABL).
1. To see a table for the function - 4, highlight Y1: and input the following:
• 2z3f-4l
TABLE

fx-9750GII Quick Start Guide
8
4. From the table view screen, you can press y(G-CON) to see a linear graph or u(G-PLT)
to see a plot graph for the function you entered.
5. To see a split screen of your table and graph, press Lpto enter the SET UP menu for the
TABLE icon. Scroll down to Dual Screen, select q(T + G), d, then u(TABL).
If you manually entered values to the previous table that you still want displayed, you can re-enter
them here, then press lto see the graph of that table.
TABLE

fx-9750GII Quick Start Guide 9
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, highlight it and press lor
press 2.
The initial List Editor Screen allows input of statistical data and performs numerous statistical
calculations. To input a list of single-variable data, highlight the rst cell under List 1 and enter each
number followed by l.
3. The initial default graph is a scatter-plot. To change the type of graph you would like to use,
press q(GRPH), u(SET), and Nto Graph Type:. For this set of data, we will make a
histogram, press u, and then qfor histogram.
2. From this screen, you can display various statistical 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).
1. For this example, input this set of data:
STATISTICS

fx-9750GII Quick Start Guide
10
4. Press dto return to your list of data, select q(GPH1) and then lto see your graph.
Enter List 1 rst, and then $to begin entering List 2. The cursor will automatically move to the
beginning of the next list.
7. For paired variable data, use the following:
6. To delete this set of data, press duntil you return to the initial List Editor screen. Select u
for more options, select r(Del-A), then q(Yes).
5. The following screenshots show one-variable calculations that can be obtained by pressing
q(1VAR).
STATISTICS

fx-9750GII Quick Start Guide 11
8. To see a scatter-plot of these data, you can go through and change GPH 1 back, using the
process above, or select w(GPH 2) from the List Editor screen whose default is also a
scatter-plot.
9. From the scatter-plot screen, pressing q(CALC) will show all the calculations that can be
obtained from this set of data.
11. From this screen, select y(COPY) to copy and then paste the regression equation into the
initial Graph screen or select u(DRAW) to show the linear regression.
10. To calculate a linear regression for these data, select w(X) from the rst set of options and
then press q(ax+b) for the preferred form. For this example, we will use y = ax + b.
STATISTICS

fx-9750GII Quick Start Guide
12
This section is an overview of the EQUATION Icon. To select this icon, highlight it and press l
or press 8.
The initial Equation Editor screen has three modes to choose from, Simultaneous, Polynomial, and
Solver; this section will give an overview of each mode.
There are four options at the bottom of the screen, press q(SOLV). The solution to this
system is
Press q(SIML) to select the Simultaneous mode and press w(3) for three unknowns. The
calculator will display a matrix where the coefcients and constants can be entered in, 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
The Simultaneous mode allows you to solve simultaneous linear equations that contain two to
six unknowns.
1. Solve the following system of equations:
EQUATION

fx-9750GII Quick Start Guide 13
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 to be edited and
press r(EDIT) or highlight the number to be edited and just enter the new number, then press
l.
Press duntil the initial Equation Editor screen is displayed. The second mode is Polynomial
(w) and can be used to solve higher-order equations in standard form that are, from the 2nd to the
6th degree.
2. To solve the equation x3– 2x2– x + 2 = 0, input the following:
• ww1ln2ln1l2lq
4. The default setting is for real numbers; to change the display to a+bi form, press Lpfor the
Equation SET UP menu, highlight Complex Mode, select w(a+bi), d, then q(SOLV).
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).
EQUATION

fx-9750GII Quick Start Guide
14
In the last screen, “Lft” and “Rgt” represent the values of the left and right sides of the equation that
have been calculated using the solution; this is the calculator’s way of checking the solution.
You can also enter a formula, assign values, and solve for a specic variable using the Solver
function of the Equation Editor.
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.
6. Find the radius (to the nearest hundredth) of a sphere, whose volume is 3705.97 cm3. To enter
the formula , input the following in to the calculator:
• qBa2L.4z3Lca6^3l
• Highlight V= and enter 3705.97l
• Press u(SOLV)
5. To nd the value of x in the following equation, 2(x - 5) = -3x + 2, input the following, starting
from the Equation Editor Screen:
• e2(f-5)L.n3f+2lu
EQUATION
Solver is the third function (e) and 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. In this
example, we will solve a linear equation and a formula.

fx-9750GII Quick Start Guide 15
This section is an overview of the CONICS Icon. To select this icon, highlight it and press lor
press 7.
The initial CONICS screen allows you to choose from various conic functions, including
rectangular, polar or parametric form. You may use BN to select the equation of the function in
accordance with the type of graph you want to draw. Once you have chosen the conic function you
would like to graph, enter the coefcients of the function and then press u(DRAW).
In the Conics modes, when you press y(G-Solv), although you are still graphing a parabola like
in the Graph icon, notice how the vocabulary and options have changed to be conic specic.
2. For example, you can now examine the line of symmetry for this parabola and the equation of
that line will be displayed. To see the line of symmetry, press w(SYM).
You can continue to analyze different areas of this graph and the line of symmetry will still
be displayed.
1. To view the graph of the conic: y = 2x2 - 5x - 3, select the form from the Conics formula menu.
Enter the coefcients and press u(DRAW).
CONICS

fx-9750GII Quick Start Guide
See the complete line of Casio calculators
www.casioeducation.com