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 jaffynadi on April 26th, 2014
How To Solve A Linear Equation On A Fx-115es Plus
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Related Casio FX 115ES Manual Pages
User Guide - Page 3
... 1 or S key followed by the text printed above the key. Example: 1s(sin-1)1=
Indicates the function that uses Math format,
while the LINE mark indicates Linear format. Alternate function
Keycap function
sin-1{D}
s
• The following shows an example of the second key. E-1
User Guide - Page 9
..., which you want to control how the calculations are executed and displayed. 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 jump...
User Guide - Page 10
...; 7 = 14.286 (Fix3) 14.29 (Fix2)
• Sci: The value you specify (from 1 to 9) controls the number of significant digits for displayed calculation results.
Calculation results are written on paper.
• Linear format causes fractions and other expressions to be displayed in a single line. Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10...
User Guide - Page 14
... the insert 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 it....is a vertical flashing line (I to let you can change the input/output format from Linear to the overwrite mode. When there are inputting it becomes 369 × 12
LINE
369*13
Y...
User Guide - Page 23
Math Format
Improper Fraction
Mixed Fraction
7 3
2
1 3
('7c3) (1'(()2e1c3)
7 { 3
2 { 1 { 3
Linear Format
Numerator Denominator Integer Part
Denominator
Numerator
(7'3)
(2'1'3)
• Under initial default settings, fractions are displayed as improper fractions.
• Fraction calculation results are always reduced before being displayed. Appendix -2 + -1 = -7
326 3 -1 + 1 -2 = ...
User Guide - Page 26
... the expression by pressing d or e, without pressing A first. Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation expression you used for the new calculation. When the calculation you are using Linear format, you are performing causes calculation history memory to the calculation mode or the input/output format, or perform any...
User Guide - Page 31
... of a5
Using SOLVE
(COMP)
SOLVE uses Newton's Method of syntax for B.) The following types of approximation to solve an equation that contains an integral, derivative, Σ( function, Pol( function, Rec( function, or
multi-statement. E-29 Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to solve an equation. You can use SOLVE in the...
User Guide - Page 32
... be able to determine the correct solution, even when one exists. MATH
Math
Sf(Y)Ss(=)Sy(A) S)(X)w+Se(B) 1)(,)S)(X)
Math
1s(SOLVE)
Prompts for input of X
Math
=
Solution Screen • To interrupt an ongoing SOLVE operation, press A. Current value of Y
Math
0=
Math
1=
Math
y2=
Current value of a value for x when y = 0, a = 1, and b = -2. • An error...
User Guide - Page 33
... for the following types of the obtained solution. A discontinuous function (y = 'x, etc.)
Solution Screen Contents
Input equation
Solution variable
Math
Solution
(left side) - (right side) form result
• The "(left side) -... of functions. - Press = to continue or A to continue. Continue Screen SOLVE performs convergence a preset number of 1 to Y. *2 Assigns an initial value of...
User Guide - Page 36
... may occur due to the type of function being fulfilled. • When performing an integration calculation involving trigonometric functions, specify Rad as constants.)
a: Integration interval lower limit b: Integration interval upper limit tol: Tolerance range (input/output format: Linear) • You can be used as their arguments. A default value of X (All non-X variables...
User Guide - Page 38
...be obtained (differential point)
tol: Tolerance range (input/output format: Linear) • You can be performed in x values - discontinuous points in x values - A default value
of X (All non-X variables are treated as the calculator's default angle unit. • A "Time Out" error occurs when a differential calculation ends
without the ending condition being fulfilled. • A smaller...
User Guide - Page 42
..., shifting the decimal point to the original decimal value.
Formats Supported for S-D Transformation S-D transformation can be used to transform a displayed decimal calculation result to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n!
Performing S-D transformation again converts back to the right.
Transform the value 123 to engineering notation, shifting the...
User Guide - Page 45
...°. Example 2: '2 ∠ 45 = 1 + i
(Angle Unit: Deg)
MATH
CMPLX
Math
!2e1y(∠)45=
Examples of 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 format, the absolute value and argument are shown in two different lines.
• With...
User Guide - Page 52
See Appendix for information about the calculation
formula used for each command. Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is selected as the statistical calculation type. Sum Sub-menu (11(STAT)4(Sum))
Select this ...MinMax), or 7(Reg) on the STAT menu while linear regression is performed in accordance with the following model equation.
User Guide - Page 53
... value of x2 Estimated value of y
• 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: 1A 2B
3C
4m1 5m2 6n
When...
User Guide - Page 57
... original number base. Before starting each calculation, be sure to press Ab first.
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 a minus sign. With the decimal...
User Guide - Page 58
... the solution(s) for Inputting and Editing Coefficients • Data you can input on the coefficient editor screen, press = to zero by the currently selected equation type. Simultaneous linear equations with Linear format. • Pressing A while inputting data clears your current input. • After inputting data, press =.This registers the value and displays up to...
User Guide - Page 59
...in accordance with the input/ output format and complex number display format settings of the calculator's setup screen.
• Note that the matrix selection screen also appears whenever you enter.... The actual number of solutions depends on the equation.
• Pressing A while a solution is displayed.
• In the case of simultaneous linear equations, you can use f and c to switch the...
User Guide - Page 66
...
*2 Size 1 vector perpendicular to both A and B = (A × B) A × B
Scientific Constants
Your calculator comes with 40 built-in constants that corresponds to VctB =
(3, 4). • The following are commonly used in any.... • The following examples use the scientific constants in scientific calculations. Appendix
Store VctA = (1, 2) and VctC = (2, -1, 2).
User Guide - Page 72
....
• The solution variable that you specified is close to perform a calculation with the calculation.
Variable ERROR (SOLVE feature only) • Cause
• You did not specify a solution variable, and there is no X variable in the equation you input.
• Action • The equation you input must include an X variable when you input as the...
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