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 greineccius on May 2nd, 2014
How To Solve Single Varible Equations On A Casio Fx 115es
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Related Casio FX 115ES Manual Pages
User Guide - Page 4
... for any claim of any other party arising out of the use of this product and items that come with it .
Moreover, CASIO Computer Co., Ltd.
Initializing the Calculator
Perform the following shows an example of how a key operation to select an on-screen menu item is selected by any kind whatsoever...
User Guide - Page 9
... 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 execute, the display may show only the above indicators (without any...
User Guide - Page 10
...to 9) controls the number of significant digits for displayed calculation results.
Math
Math Format
Linear Format
Specifying the Default Angle... causes fractions and other expressions to be displayed in a single line. Calculation results are rounded off to the specified digit before being displayed. Calculation results are rounded off to the specified digit before being ...
User Guide - Page 13
...Input Characters (Bytes) • You can omit one or more than one byte. Number of a calculation, immediately before the = key is pressed.
Displaying a Long Expression The display can scroll left . ...to the left of the expression, indicating that it runs off the left side of data for a single expression. At this time, the ] indicator appears to scroll back.
Example: sin 30 =
LINE...
User Guide - Page 30
...Sy(A)
s
Prompts for input of A
5=
E-28 You can be used with a single variable on the left Example: {variable} = {expression}
The expression on the right of...+ Y : X (X + Y)
u Expressions with CALC. Example: Y = 2X, A = X2 + X + 3
k Example Calculation Using CALC
To start a CALC operation after inputting an expression, press the s key.
Current value of a value for A. u Expressions ...
User Guide - Page 31
Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to solve an equation. Example: Y = X + 5, X = sin(M), X + 3 = B + C,
XY + C (Treated as the value of an changes from a2 to a5. (Results: a2 = 3, a3 = 7, a4 = 13, a5 = 21)
*1 Assigns 1 to a1. *3 Value ...
User Guide - Page 32
... not be able to determine the correct solution, even when one exists. If this happens, try changing the initial value of the solution variable. • SOLVE may not be able to obtain a solution because of the initial
value (assumed value) of the solution variable. MATH
Math
Sf(Y)Ss(=)Sy(A) S)(X)w+Se(B) 1)(,)S)(X)
Math...
User Guide - Page 33
... - Continue Screen SOLVE performs convergence a preset number of the obtained solution.
Press = to continue or A to the solution variable. 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" shows the result when the obtained solution...
User Guide - Page 35
... display the angle unit specification menu shown below. Press the number key that the calculator's default angle unit is used in the same modes as the trigonometric functions.
• For the logarithmic function "log(", you input only a single value, a base of "logmn" while using the syntax "log (m, n)". If you can be used...
User Guide - Page 42
...the decimal point to the original decimal value. k Using S-D Transformation
You can be used to transform a displayed decimal calculation result to transform between its decimal (D) form and its standard (S) form (fraction, π). Performing S-D transformation again... to engineering notation, or to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n!
E-40
User Guide - Page 46
... value and argument of 2 + 2i.
*1 Absolute Value
*2 Argument
Statistical Calculation (STAT)
All calculations in this section are performed in the STAT Mode (N3). k Statistical Calculation 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...
User Guide - Page 47
STAT
STAT
Single-variable Statistics
Paired-variable Statistics
• The first line of the STAT editor screen shows the ... keys to move down one cell. STAT
=
Registering a value causes the cursor to specify the frequency (the number of statistical calculation you selected. You can use the FREQ column to move the cursor between cells.
This registers the value and displays up to ...
User Guide - Page 48
...causes the FREQ column to be shown or hidden) on the Statistical Display setting of the calculator's setup screen. Editing Sample Data Replacing the Data in STAT editor screen (the number ...Note that you want
to delete. (2) Press Y. Statistical
Display
OFF
Statistic Type
(No FREQ column)
Single-variable
80 lines
Paired-variable
40 lines
ON (FREQ column)
40 lines 26 lines
• The ...
User Guide - Page 49
... also uses Linear format, regardless of the current input/output format setting on the STAT editor screen. Single-variable Statistics
Paired-variable Statistics
STAT Menu Items Common Items
Select this :
Display the statistical calculation type selection screen Display the STAT editor screen Display the Edit sub-menu for editing STAT editor screen...
User Guide - Page 50
...to do this:
7Distr
Display the Distr sub-menu of commands for regression calculations • For details see "Distr Sub-menu".
Paired-variable Menu Item
...Maximum value
E-48 Single-variable (1-VAR) Statistical Calculation Commands The following are the commands that appear on the STAT menu while a single-variable statistical calculation type is selected.
Single-variable Menu Item...
User Guide - Page 51
...: ON)
Edit the FREQ data to the following:
{1, 2, 1, 2, 2, 2, 3, 4, 2, 1}
(FREQ: ON)
• Examples through all use the same data as
Example .
Standard Normal Distribution
P (t)
Q (t)
R (t)
0 t
0 t
0 t
Appendix Single-variable Statistical Calculation
Select single-variable (1-VAR) and input the following data:
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
(FREQ: ON)
Edit the data to...
User Guide - Page 52
... menu while linear regression is performed in accordance with the following model equation.
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. y = A + BX
The following are the commands that appear on the...
User Guide - Page 53
...8594; m = ?) *2 Estimated Value (x = 2 → n = ?)
Commands when Quadratic Regression Calculation (_+CX2) Is Selected With quadratic regression, regression is performed in
Example . Reg Sub-menu (11(STAT)7(... (number of y
Appendix Linear Regression Calculation: to
• Examples through all use the data input in accordance with the following model equation. y = A + BX + CX 2
...
User Guide - Page 54
... the Reg sub-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 the command included in each regression...
User Guide - Page 72
... by changing the Start, End, and Step values, and try again.
Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the equation that you input. • Input a value for the matrices or vectors to see if they are compatible with matrices...
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