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 weyehn on March 24th, 2013
How Do You Do Linear Regression On A Fx-115es Plus?
how do you do a liner regression on fx-115es plus
Current Answers
Related Casio FX 115ES Manual Pages
User Guide - Page 9
... Mode (1) Press N to display the mode
menu. 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 want to select. • To select the CMPLX Mode...
User Guide - Page 10
... Display Examples • Fix: The value you specify (from 0 to 10) controls the number of
decimal places for displayed calculation results.
Math
Math Format
Linear Format
Specifying the Default Angle Unit
To specify this as they are rounded off to use "]CONT'".
Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × ...
User Guide - Page 14
... a Value into a Function" for Linear format input is selected does not switch to make room when you input replaces the character at a convenient point and
calculate the result. If the I cursor
...overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to correct an expression as you are
...
User Guide - Page 23
...being displayed.
Omitting a Final Closed Parenthesis You can omit any closed parenthesis ( ) ) immediately preceding operation of the = key at the end of Linear format. Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction Calculations
How you should input fractions depends on the input/output format that involves both fraction and decimal values is currently selected. This...
User Guide - Page 26
... are using Linear format, you used for the new calculation. Appendix
E-24
Calculation history memory shows both calculation expressions and results. Replay Function While a calculation result is on the display, you can press A and then d or e to edit the expression you can display the expression by pressing d or e, without pressing A first. Modes that calculation history memory...
User Guide - Page 36
... 3'(, ^'( functions can omit specification of the tolerance range. Appendix to
k Integration Calculations
This calculator performs integration using Math format. • There may be large error in obtained ...upper limit tol: Tolerance range (input/output format: Linear) • You can be used in complex number calculations in the CMPLX Mode, and complex number arguments are not used as the...
User Guide - Page 38
... point)
tol: Tolerance range (input/output format: Linear) • You can be performed in x values - inclusion of undifferentiable points in
x values - differential calculation results approaching zero • Pressing A will interrupt an ongoing differential calculation. inclusion of X (All non-X variables are treated as the calculator's default angle unit. • A "Time Out" error...
User Guide - Page 45
... complex number 2 + 3i. 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.
User Guide - Page 46
...Types
Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2 4 In X 5 e^X 6 A•B^X 7 A•X^B 8 1/X
Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power regression Inverse regression
k Inputting Sample Data
Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode...
User Guide - Page 47
... you turn on the Statistical Display item on the calculator's setup screen, a column labeled "FREQ" will also be included on the type of each sample value. STAT Editor Screen There are the same as those you can input in the COMP Mode with Linear format. • Pressing A while inputting data clears your...
User Guide - Page 49
... Display the Var sub-menu of the sample data on the display. k STAT Calculation Screen
The STAT calculation screen is on the STAT editor screen.
The STAT calculation screen also uses Linear format, regardless of commands for obtaining maximum and minimum values
E-47 Deleting All STAT Editor Contents (1) Press 11(STAT)3(Edit). (2) Press 2(Del...
User Guide - Page 50
..."Distr Sub-menu". See Appendix for information about the calculation
formula used for normal distribution calculations • For more information, see "Commands when Linear
Regression Calculation (A+BX) Is Selected" and "Commands when Quadratic Regression Calculation (_+CX2) Is Selected".
Single-variable (1-VAR) Statistical Calculation Commands The following are the commands that appear on...
User Guide - Page 52
... you select 4(Sum), 5(Var), 6(MinMax), or 7(Reg) on the STAT menu while linear regression is performed in accordance with the following are the commands that appear on the sub-menus that...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...
User Guide - Page 53
...*1 Estimated Value (y = -3 → m = ?) *2 Estimated Value (x = 2 → n = ?)
Commands when Quadratic Regression Calculation (_+CX2) Is Selected With quadratic regression, regression is performed in
Example .
y = A + BX + CX 2
See Appendix for information about the calculation formula used for linear regression calculations. E-51
Reg Sub-menu (11(STAT)7(Reg))
Select this menu item...
User Guide - Page 54
...-menu can take a long
time to ). Statistical Calculation Type
Logarithmic Regression (ln X)
e Exponential Regression (e^X)
ab Exponential Regression (A•B^X)
Model Equation
y = A + Bln X y = AeBX y = ABX
Power Regression (A•X^B) y = AXB
Inverse Regression (1/X)
y
=
A
+
B X
Calculation Formula
Appendix Comparison of Regression Curves • The following example uses the...
User Guide - Page 57
...
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. Press this key: When you press N5(EQN) and enter the EQN Mode. Equation Calculations (EQN)
All calculations in this section are displayed with Three Unknowns
Quadratic Equation
Cubic Equation
Changing...
User Guide - Page 59
...to engineering notation while an equation solution is in matrix memory. • In the case of simultaneous linear equations, you can use the f and c keys to scroll the display between the solutions for ...depends on the equation.
• Pressing A while a solution is displayed will return to
Matrix Calculations (MATRIX)
You can save matrices under the names "MatA", "MatB", and "MatC" in ...
User Guide - Page 63
...(Σ) functions cannot be used for value input.
• You can specify either values or calculation expressions (which
must produce a numeric result) for Start, End, and Step.
• Specifying...than 30 x-values causes
an error.
k Start, End, and Step Value Rules
• Linear format is always used for the number table being generated.
Executing a number generation table using a...
User Guide - Page 64
... Note that changing the input/output format settings (Math format or Linear format) on the calculator's setup screen while in vector memory.
Vector Calculations (VECTOR)
You can select either 3-dimension (1) or 2-dimension ...the function editor screen. k Number Table Screen The number table screen shows x-values calculated using the
specified Start, End, and Step values, as well as the values...
User Guide - Page 66
...63732;
*2 Size 1 vector perpendicular to both A and B = (A × B) A × B
Scientific Constants
Your calculator comes with 40 built-in any calculation mode except for BASE-N. • To recall a scientific constant, press 17(CONST). You can use the vectors input in scientific calculations. When you recall a constant, its unique symbol appears on the display. •...
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