Casio FX 115ES Support Question
Casio FX 115ES Support Question
Find answers below for this question about Casio FX 115ES - Advanced Scientific Calculator.Need a Casio FX 115ES manual? We have 1 online manual for this item!
Question posted by MrTcjense on July 16th, 2014
How To Solve Linear Equations On A Casio Fx-115es Plus
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Related Casio FX 115ES Manual Pages
User Guide - Page 3
... .
Example: 1s(sin-1)1=
Indicates the function that this Manual
• The MATH mark indicates an example that uses Math format,
while the LINE mark indicates Linear format. Enter the CMPLX Mode to input the applicable variable, constant, or symbol. About this is not part of the actual key operation you perform.
User Guide - Page 4
... unit.
• The following procedure when you want to initialize the calculator and return the calculation mode and setup to the corresponding example number in the Appendix.
Note ...the use of the actual key operation you see "Using Calculator Memory". E-2 Moreover, CASIO Computer Co., Ltd. Initializing the Calculator
Perform the following shows an example of how a key operation...
User Guide - Page 9
... indicators (without any value) while it performs the calculation internally. Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation that corresponds to the mode you can use to...
User Guide - Page 10
... specified digit before being displayed. • See "Adjusting Display Contrast" for information about how to 9) controls the number of
decimal places for displayed calculation results. Math
Math Format
Linear Format
Specifying the Default Angle Unit
To specify this as the default
angle unit:
Perform this key operation:
Degrees
1N3(Deg)
Radians
1N4...
User Guide - Page 14
...at a convenient point and
calculate the result. k Correcting an Expression
This section explains how to Math. See "Incorporating a Value into a Function" for Linear format input is the insert... overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to the overwrite mode when you need...
User Guide - Page 23
...the end of Linear format. This is true only in the case of a calculation. Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction Calculations
How you ...input/output format that involves both fraction and decimal values is displayed in decimal format.
• The result of a calculation that is automatically displayed in decimal format. Appendix -2 + -1 = -7
326 3 -1 + 1 -2 = 4...
User Guide - Page 26
... history memory: COMP (N1), CMPLX (N2), BASE-N (N4)
Recalling Calculation History Memory Contents Press f to make room for the previous calculation. Modes that calculation history memory contents are cleared whenever you are using Linear format, you used for the new calculation.
Replay Function While a calculation result is on the display, you can display the expression by...
User Guide - Page 31
... you are using contains more than one variable,
an input prompt appears for each one. Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to solve an equation. Y = X × log(2 (When the variable specification ",X" is omitted,
the equation Y = X × log102 is solved for X.) Y = X × log(2,Y (When the variable specification ",Y" is included,
the...
User Guide - Page 32
... (Variable ERROR) occurs when the solution variable is not included in the expression being solved. Precautions when Using SOLVE • SOLVE may not be able to obtain a solution because of the initial
value (assumed value) of the solution variable. • SOLVE may not be able to determine the correct solution, even when one exists...
User Guide - Page 33
... it cannot find a solution, it displays a confirmation screen that shows "Continue: [=]", asking if you want to cancel the SOLVE operation. Press = to continue or A to continue. A discontinuous function (y = 'x, etc.)
Solution Screen Contents
Input equation
Solution variable
Math
Solution
(left side) - (right side) form result
• The "(left side) - (right side) form result...
User Guide - Page 36
...function being fulfilled. • When performing an integration calculation involving trigonometric functions, specify Rad as the calculator's default angle unit. • Integration calculations can be performed in the COMP Mode only. •... limit tol: Tolerance range (input/output format: Linear) • You can omit specification of the tolerance range. Specify a tol value that conforms with a < x <...
User Guide - Page 38
... ending condition being fulfilled. • A smaller tol value provides better precision, but it also causes
the calculation to specify the point for which the derivative should be obtained (differential point)
tol: Tolerance range (input/output format: Linear) • You can be caused by approximating the derivative based on centered difference approximation.
d/dx...
User Guide - Page 42
... decimal form. Transforming Displayed Values
You can be used to transform a displayed decimal calculation result to engineering notation.
k Using Engineering Notation
A simple key operation transforms a displayed value to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n! Formats Supported for S-D Transformation S-D transformation can use S-D transformation to...
User Guide - Page 45
...MATH
CMPLX
Math
1+i=
• Argument θ is output in two different lines.
• With Linear format, the real part and imaginary part are shown in
two different lines. Example 2: '2 ∠...Calculation Results Using Polar
Coordinate Format (r ∠ θ)
Example 1: 2 × ('3 + i) = 2'3 + 2i = 4 ∠ 30
(Angle Unit: Deg)
MATH
CMPLX
Math
2*(!3e+i)=
• With Linear ...
User Guide - Page 52
... in accordance with the following are the commands that appear on the STAT menu while linear regression is selected as the statistical calculation type.
See Appendix for information about the calculation
formula used for each command.
Sum Sub-menu (11(STAT)4(Sum))
Select this menu... value of the Y-data
4maxY Maximum value of the Y-data
E-50 y = A + BX
The following model equation.
User Guide - Page 53
...Sum sub-menu (sums), Var sub-menu (number of y
Appendix Linear Regression Calculation: to
• Examples through all use the data input in accordance with the following model equation. Reg Sub-menu (11(STAT)7(Reg))
Select this menu item: ... for each command.
y = A + BX + CX 2
See Appendix for information about the calculation formula used for linear regression calculations.
User Guide - Page 57
... Type Setting Press N5(EQN) to the original number base. Equation Calculations (EQN)
All calculations in the EQN Mode (N5).
Key
Menu Item
1 anX + bnY = cn
2 anX + bnY + cnZ = dn
3 aX2 + bX + c = 0 4 aX3 + bX2 + cX + d = 0
Equation Type
Simultaneous Linear Equations with Two Unknowns
Simultaneous Linear Equations with negative binary values and examples of a two's complement...
User Guide - Page 58
.... Pressing
= while the final solution is first displayed. E-56 Simultaneous linear equations with two unknowns
Cubic equation
Rules for Inputting and Editing Coefficients • Data you register input into... cursor moves to the next cell to the right. • When simultaneous linear equations with Linear format. • Pressing A while inputting data clears your current input. •...
User Guide - Page 59
... in the MATRIX Mode (N6). • In the case of simultaneous linear equations, you can use the f and c keys to scroll the display between the solutions for X and Y (and Z).
• When there are multiple solutions for configuring dimension settings. All calculations in this section are performed in Matrix Memory
(1) In the MATRIX Mode...
User Guide - Page 72
.... • Specify a variable that is not enough memory to perform a calculation with the calculation.
Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the equation you specified is not included in a calculation was input without the ending condition being fulfilled.
• Action •...
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