Casio FX-300ES PLUS User manual
QUICK START GUIDE
2nd EDITION
fx-300ES PLUS
www.casioeducation.com
Press Cto clear out anything typed or the entire
screen.
Press zto input a negative value or variable.
To enter a fraction, press aand enter your
numerator and denominator. The nkey toggles your
calculation results between Standard and Decimal
forms.
The wkey allows you to choose between
Computation, Statistics, or Table Mode. qw
(SETUP) allows you to make changes to the calculator
settings.
Use the Wkey to turn the calculator on, and press
qC(OFF) to power the unit down.
fx-300ES PLUS 2nd Edition Quick Start Guide
2
MENU NAME DESCRIPTION
COMP This mode performs general calculations.
STAT This mode performs statistical and regression calculations.
TABLE This mode generates a numerical table based on one or two functions.
To calculate and solve basic expressions, press w1to enter COMP mode.
To make any changes to the calculator settings, press qw(SETUP).
The following explains the meaning of each mode on the fx-300ES Plus 2nd Edition:
fx-300ES PLUS 2nd Edition Quick Start Guide 3
Inputting a Fraction & Converting to Decimal Form:
1. To solve , press
a7$8$+qa2$3$11=.
2. To view the solution as a decimal, press n.
Note: press nagain to see the entire decimal answer. Pressing
once more will display the fraction solution again.
To Find the Remainder of a Division Problem:
1.Tondtheremainderof7dividedby5,press
7qe5=.
Absolute Value:
1.Tondtheabsolutevalueof-4,press
ez4=.
Exponents:
1. To evaluate 34, press 3^4=.
COMP MODE
fx-300ES PLUS 2nd Edition Quick Start Guide
4
COMP MODE
Roots:
1.Tocalculatethesquarerootof25,press
s25=.
2.Tocalculatethecuberootof64,press
q^3$64=.
Storing Variables:
To store a value for any variable, press qJfollowed
by a variable, A – F. In this example, we will store a
value of 1 for the variable A.
1. Press 1qJz.
fx-300ES PLUS 2nd Edition Quick Start Guide 5
Enterthedatapointsandndthelinearregression
formula.
(2,5) (3,8) (7,20)
Entering Data:
1. From the initial Stat screen, press 2(A+BX) for a
linear regression.
2. Enter the x-values into the table by pressing
2=3=7=.
3. Use the arrow keys to move to the top of the y-column
and enter the y-values by pressing
5=8=20=.
STAT MODE
To start a statistical calculation, press w2to enter STAT mode and use the screen that appears
to select the type of calculation you want to perform.
Note: When you want to change the calculation type after entering STAT mode, press q1
(STAT/DIST)1(Type) to display the calculation type selection screen.
fx-300ES PLUS 2nd Edition Quick Start Guide
6
STAT MODE
Finding a Regression:
1.Tondtheregressionequation,pressCto clear
the screen.
2. Press q1(STAT) to display the Statistics Menu.
3. Press 5(Reg)tondthecoefcientsforthelinear
regression equation.
4.Press1(A)=tondthevalueofA.
5.TondthevalueofB, repeat the process.
Press q152(B)=.
6.Thevaluesofthecorrelationcoefcient(r), the estimated value of X , and the estimated value
of Y can also be found.
fx-300ES PLUS 2nd Edition Quick Start Guide 7
1. Enter the function (f)x = 2x + 1 by pressing
2Q)+1.
2. Press =to store that function. Another function can
be entered to compare the two functions. Press =to
move to the next screen and only have one function
entered.
3. Set a starting x-value for the table. The default value
is 1. To change the value, enter the new value and
press =. To keep the existing value, press =.
4.Next,setanendingx-valueforthetable.Thedefault
valueis5.Tochangethevalue,enterthenewvalue
and press =. To keep the existing value, press =.
TABLE MODE
TABLE generates a number table based on one or two functions, entered as f(x) and/or g(x). Press
w3to enter TABLE mode.
Note: Be sure to input the x variable (Q)) when generating a number table. All other variables will be
handled as constants.
fx-300ES PLUS 2nd Edition Quick Start Guide
8
TABLE MODE
5.Setastepvalueforthetable.Thedefaultvalueis1.
To change the value, enter the new value and press
=. To keep the existing value, press =.
6. Use the Eand Rarrows to scroll through the
entire table.
fx-300ES PLUS 2nd Edition Quick Start Guide 9
NOTES
fx-300ES PLUS 2nd Edition Quick Start Guide
10
NOTES
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