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 mzadryn on July 30th, 2014
How To Solve Multiple Variable Equations Casio Fx115es Plus
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Related Casio FX 115ES Manual Pages
User Guide - Page 3
... indicate what a key inputs or what the different colors of the second key. E-1 About this User's Guide. Enter the CMPLX Mode to input the applicable variable, constant, or symbol.
User Guide - Page 4
... Separate Appendix
Whenever you should refer to their initial default settings. Initializing the Calculator
Perform the following shows an example of the actual key operation you perform.
... with it means you see "Using Calculator Memory". In this manual, it . Note that come with four arrows, indicating direction, as f, c, d, and e. Moreover, CASIO Computer Co., Ltd. E-2 REPLAY
&#...
User Guide - Page 8
.... This indicator appears after you press 1t(STO). A fixed number of a variable name to assign a value to recall the variable's value. The default angle unit is degrees. There is in effect. The calculator is a value stored in the STAT Mode. E-6 The calculator is standing by for input of decimal places is in the MATRIX...
User Guide - Page 9
...
E-7
The setup menu has two screens, which you want to perform 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 takes a long time to display the mode
menu. k Configuring the...
User Guide - Page 12
...bi OFF Dot
• To cancel initialization without doing anything, press A(Cancel) instead of the functions shown below, it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses.
sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh(, tanh(, sinh-1(, cosh-1(, tanh-1(, log(, ln(, e^(, 10...
User Guide - Page 13
...prefix symbol (excluding the minus sign): 2 × h123, etc. • Before a variable name, constant, or random number:
20 × A, 2 × π, 2 ...the expression. Number of Input Characters (Bytes) • You can omit the multiplication sign (×) in any of the following cases. • Before an open... shift to the left side of a calculation, immediately before the = key is displayed...
User Guide - Page 16
... occurred, with Math format, you are inputting exceeds the allowable limit.
• Nesting of functions and parentheses is allowed. If this happens, divide the calculation into multiple parts and calculate each part separately. E-14 k Displaying the Location of an Error
If an error message (like "Math ERROR" or "Syntax ERROR") appears when you...
User Guide - Page 20
...have up to both the real part and the imaginary part. Arithmetic calculations of grads
3
Input Value Range for display of the above ranges....Calculation Result ȊxȊ < 9 × 109
ȊxȊ < 20π
ȊxȊ < 10000
Calculation results may be
displayed. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12
π
radians
50 Multiples...
User Guide - Page 21
...)(= -4 - 2'6 ) = -8.898979486
E-19 Value outside the corresponding ranges of c and f.
• Since calculation results are reduced to a common denominator, they are displayed in ' form even if coefficients (a′, c′, and... 10'3 + 11'2
11 10
110
• The result is the least common multiple of coefficients (a, c, and d).
The following shows the range for each of the ...
User Guide - Page 25
... you press =. Multiplication or division of a sexagesimal value and a
decimal value Appendix 2°20´30˝ + 39´30˝ = 3°00´00˝ Converting Values between sexagesimal and decimal.
Example: To create a multi-statement that performs the following types of sexagesimal calculations
produces a sexagesimal result. - Sexagesimal Calculations • Performing...
User Guide - Page 27
.... The "M" display indicator indicates data in Answer Memory.
Using Answer Memory to perform the second calculation immediately after pressing A, press the G key. E-25 Variables
Six variables named A, B, C, D, X, and Y can be cleared from independent memory. Independent Memory
Calculation results can be used for storage of 3 × 4 by 30
LINE
3*4=
(Continuing)/30=
Pressing...
User Guide - Page 28
... the expression from independent memory. The following is a summary of the display when there is the key operation for inserting the M variable.
E-26 Inputting Answer Memory Contents into a calculation, which tells the calculator to or subtract results from independent memory
Recall current independent memory contents
Perform this key operation: m
1m(M-) tm(M)
• You...
User Guide - Page 29
...To assign the result of 3 + 5 to check the contents of an expression.
E-27 k Variables (A, B, C, D, X, Y) Variable Overview
• You can include variables inside of a variable.
k Clearing the Contents of the variable whose contents you can assign a specific value or a calculation result to disappear from the display. Press 19(CLR)2(Memory)=(Yes). • To cancel the...
User Guide - Page 31
... × log(2,Y (When the variable specification ",Y" is included,
the equation Y = X × log102 is solved for Y.) Y = X × log(2,Y) (When the variable specification ",X" is omitted,
the equation Y = X × log2Y is solved for X.)
• Unless you are using contains more than one .
Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to a2...
User Guide - Page 32
... of X
Math
=
Solution Screen • To interrupt an ongoing SOLVE operation, press A. E-30 Precautions when Using SOLVE • SOLVE may not be able to determine the correct solution, even when one exists.
k Example SOLVE Operation Example: To solve y = ax2 + b for Y. • An error (Variable ERROR) occurs when the solution variable is not included in the expression being...
User Guide - Page 33
... = to continue or A to continue. Appendix Solve y = x2 - • SOLVE uses Newton's Method, so even if there are multiple solutions, only one of them will be returned....functions. - Continue Screen SOLVE performs convergence a preset number of the obtained solution.
A discontinuous function (y = 'x, etc.)
Solution Screen Contents
Input equation
Solution variable
Math
Solution
(left side...
User Guide - Page 59
... screen.
• The display format of solutions is displayed. Appendix Equation Calculation: to
Matrix Calculations (MATRIX)
You can use f and c to switch the display between the solutions for X and Y (and Z).
• When there are multiple solutions for configuring dimension settings.
Matrix calculation results are performed in matrix memory. k Creating and Managing a Matrix...
User Guide - Page 66
...VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot ...appears on the display. • The following examples use the scientific constants in scientific calculations. Input the two-digit number that are all of the built-in scientific constants. 01: proton mass; 02: neutron mass; 03: ...
User Guide - Page 68
... calculation priority sequence values, commands, and functions.The numeric stack has 10 levels and the command stack has 24 levels, as shown in parentheses. This is because x2 is a function preceded by a value (Priority 2, above), whose priority is greater than the negative sign, which is omitted: Multiplication sign omitted immediately before π, e, variables, scientific...
User Guide - Page 72
... to the expected solution
and try again. Note that is included in the equation you input.
• Action • The equation you input must include an X variable when you input as the solution variable. Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the...
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