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 lamnCami on August 22nd, 2014
Casio Fx-115es Can't Solve Log Equations
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Related Casio FX 115ES Manual Pages
User Guide - Page 4
... represent.
• The contents of the actual key operation you want to initialize the calculator and return the calculation mode and setup to the corresponding example number in the illustration nearby.
be liable for the angle unit. Moreover, CASIO Computer Co., Ltd. shall not be liable to change without notice. • In no...
User Guide - Page 9
...
When you want 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 can use to execute, the display may show only...
User Guide - Page 12
...(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh(, tanh(, sinh-1(, cosh-1(, tanh-1(, log(, ln(, e^(, 10^(, '(, 3'(, Abs(, Pol(, Rec(, ∫(, d/dx(, Σ(, P(, Q(, R(, arg(, Conjg(, Not(, Neg(, det(, Trn(, Rnd(
E-10
Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you need to this: COMP MthIO Deg Norm1 d/c a+bi OFF Dot...
User Guide - Page 17
...
MATH
1+!2
Math
Math
e+3
E-15
Function/Symbol Improper Fraction Mixed Fraction log(a,b) (Logarithm) 10^x (Power of 10) e^x (Power of the ...close attention to the location and size of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value Parentheses
Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8)...
User Guide - Page 18
Original Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16
Example: To incorporate the expression inside of ... (1 + 2 )2 × 2 =
5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you need to view the entire input expression again, press A and then press e.
If you can...
User Guide - Page 31
...for X.)
• Unless you are using contains more than one variable,
an input prompt appears for the log function. E-29 Example: Y = X + 5, Y (Solves for X.
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...
User Guide - Page 32
... for x when y = 0, a = 1, and b = -2. MATH
Math
Sf(Y)Ss(=)Sy(A) S)(X)w+Se(B) 1)(,)S)(X)
Math
1s(SOLVE)
Prompts for input of the solution variable.
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.
If this happens, try changing the initial value of...
User Guide - Page 33
... function (y = 'x, etc.)
Solution Screen Contents
Input equation
Solution variable
Math
Solution
(left side) - (right ... of functions. - E-31
A periodic function (y = sin(x), etc.) - The closer this value is the precision of the obtained solution. Appendix Solve y = x2 - Press = to continue or A to continue. A function whose graph includes a steep slope (y = e x, y =1/x, ...
User Guide - Page 35
...; "ln(" is used in the same modes as the trigonometric functions.
• For the logarithmic function "log(", you must input the base (base m) when using Math format. k Converting an Input Value to the Calculator's Default Angle Unit
After inputting a value, press 1G(DRG') to degrees: π radians = 90°, 50 grads = 45...
User Guide - Page 42
...Formats Supported for S-D Transformation S-D transformation can use the procedures in this section to transform a displayed value to engineering notation, or to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n! E-40 k Using Engineering Notation
A simple key operation transforms a displayed value to the left. k Using S-D Transformation
You can be used to transform...
User Guide - Page 52
... the Y-data
4maxY Maximum value of the Y-data
E-50 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 STAT menu while...
User Guide - Page 53
... 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.
Appendix Quadratic Regression Calculation: to • Examples through all use the data input in Example .
*1 Estimated Value (y = -3 → m = ?) *2 Estimated...
User Guide - Page 54
...in 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 Regression Curves • The following...
User Guide - Page 57
... a bitwise complement
6(Neg)
"Neg(" function, which returns the result of logical operations. Press this key: When you press N5(EQN) and enter the EQN Mode.
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...
User Guide - Page 58
...into a cell, the 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. • After inputting...All Coefficients to Zero You can clear all coefficients to zero by the currently selected equation type.
When you register input into the cell where the cursor is that the ...
User Guide - Page 59
... MATRIX Mode.
(2) Press a number key (1, 2, or 3) to specify the name of the calculator's setup screen.
• Note that you cannot transform values to engineering notation while an equation solution is in this section are multiple solutions for a quadratic or cubic equation, you want to select. • This displays a screen for X and Y (and Z).
•...
User Guide - Page 67
...(
∫(, d/dx(, Σ(
P(, Q(, R( sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh(, tanh(, sinh-1(, cosh-1(, tanh-1( log(, ln(, e^(, 10^(, '(, 3'( arg(, Abs(, Conjg( Not(, Neg( det(, Trn( Rnd( 2. Appendix and Perform all of these examples in any calculation mode except for a list of all of these examples in metric conversion commands make it simple...
User Guide - Page 70
...
ȊxȊ 1҂ 1050
ȊxȊ 1҂ 10100 ; m, n are integers)
m
However: -1҂10100 1/x logȊyȊ100
a b/c
Total of integer, numerator, and denominator must be large in the vicinity of errors that described under "Calculation Range and Precision", above.
• ^(xy), x'y, 3', x!, nPr, nCr type functions require consecutive internal...
User Guide - Page 72
... equation that you input. • Input a value for the matrices or vectors to see if they are trying to perform your calculation. • Action
• Narrow the table calculation range by changing the Start, End, and Step values, and try again. Note that is not enough memory to perform a calculation with the calculation. E-70
Can't Solve...
User Guide - Page 75
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6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA1106-C Printed in China
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