Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by imcynJon on August 11th, 2014
How To Find Value Of Determinant In Casio 991es Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... this User's Guide and the separate Appendix are subject to change without notice. • In no event shall CASIO Computer Co., Ltd.
E-2 • The following procedure when you want to initialize the calculator and return the calculation mode and setup to their initial default settings.
k Using the Separate Appendix
Whenever you see "Using...
User Guide - Page 8
... CMPLX Mode. A fixed number of a variable name to the variable. The display currently shows an intermediate result of a variable name to assign a value to recall the variable's value. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT VCT
7 8 9 FIX SCI Math
$`
Disp
Means this indicator...
User Guide - Page 9
... complex calculation or some other type of calculation that corresponds to the mode you want to perform this mode:
COMP CMPLX
STAT
BASE-N
EQN MATRIX
TABLE
VECTOR
(2) Press the number key that takes a long time to execute, the display may show only the above indicators (without any value) while it performs the calculation internally...
User Guide - Page 10
... this input/output format: Math Linear
Perform this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2)
Calculation Result Display Examples • Fix: The value you specify (from 0 to 9) controls the number of significant digits for displayed calculation results. Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2)
• Sci: The...
User Guide - Page 11
... procedure to turn display of the frequency (FREQ) column of the two available settings (Norm1, Norm2) determines the range in which results will be displayed in nonexponential format.
The decimal point for input values is applied for calculation results
. E-9 Outside the specified range, results are displayed using exponential format.
• Norm: Selecting one...
User Guide - Page 12
... Settings
Performing the following procedure initializes the calculation mode and other setup settings as they are written.Then simply press the = key to execute it is automatically input with Parenthesis
When you input any of =. Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you need to input the argument...
User Guide - Page 14
... it becomes 369 × 12
LINE
369*13
Y
2
E-12 See "Incorporating a Value into a Function" for Linear format input is
selected. The procedure you should use the insert...initial default input 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 input a ...
User Guide - Page 17
...is
selected. • Pay 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) 1w(Abs) ( or )
Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1
Math Format Input Examples • The following operations are...
User Guide - Page 18
... shot. Math
1Y(INS)
This changes the shape of an input expression (a value, an expression within parentheses, etc.) into a function. This incorporates the expression ...2 )2 × 2 =
5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you input can be cut off as shown here.
Original Expression:
Function Key Operation Resulting...
User Guide - Page 19
... π within irrational number display) display conditions are the same as those for the input/output format, you can also incorporate values into the following functions. 1l($), 1i(%), !, 6, 1!(#), 1w(Abs)
Displaying Calculation Results in a Form that Includes '2, π, etc. (Irrational Number Form)
When "MthIO" is selected for S-D conversion.
For details, see "Using...
User Guide - Page 20
...°
Multiples
of
1 12
π
radians
50 Multiples of grads
3
Input Value Range for ' Form
Calculation Result ȊxȊ < 9 × 109
ȊxȊ < 20π
ȊxȊ < 10000
Calculation results may be
displayed.
Trigonometric function calculations
c.
Complex number Abs calculations
d. CMPLX Mode polar coordinate display (r ∠ θ )
The following conditions...
User Guide - Page 21
...10
110
• The result is the least common multiple of c and f.
• Since calculation results are reduced to a common denominator, they are displayed in ' form even if coefficients (a&#...Example: (1 + '2 + '3 )(1 - '2 - '3 )(= -4 - 2'6 ) = -8.898979486
E-19 Value outside the corresponding ranges of the allowable range - Reasons why the results of the examples are displayed in ' form...
User Guide - Page 23
...
)
key
toggles
the
display
fraction
between mixed fraction and improper fraction format.
This is true only in the case of a calculation. Appendix -2 + -1 = -7
326 3 -1 + 1 -2 = 4 - 11 (Fraction Display Format: ab/c)
...is greater than 10, the value is currently selected.
Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction Calculations
How you should input fractions...
User Guide - Page 24
... increased
from decimal format to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between sexagesimal and decimal.
Inputting Sexagesimal Values The following is the syntax for inputting a sexagesimal value.
{Degrees}e{Minutes}e{Seconds}e
Appendix Input 2°0´30˝.
• Note that...
User Guide - Page 38
... within f(x), a, or tol. • Differential calculations can be caused by approximating the derivative based on centered difference approximation. discontinuous points in x values - inclusion of the inflection point in
x values - inclusion of the local maximum point and local minimum point in x values -
Appendix Determine f '( π ) when f(x) = sin(x)
2 (tol specification...
User Guide - Page 43
... inverse trigonometric function results and values that are normally expressed in radians.
• After obtaining a calculation result in the case of ...calculator automatically decides the standard form to use. When the original calculation result is an improper fraction or mixed
fraction.
π:
The following are supported.
Fraction: The current fraction display format setting determines...
User Guide - Page 45
... to obtain a conjugate complex number. 12(CMPLX)2(Conjg)
Appendix Determine the conjugate 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...
User Guide - Page 46
...a complex number of the format Z = a + bi. 1w(Abs); 12(CMPLX)1(arg)
Appendix
Obtain the absolute 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...
User Guide - Page 62
... in the TABLE Mode (N7).
Indicates the initial default start value input screen. Generating a Number Table
from a Function
(TABLE)
All calculations in this example. k Configuring a Number Table Generation Function
The procedure below configures the number table generation function with the following settings. E-60
Determine the square (MatA2) or cube (MatA3) of
Matrix B.
•...
User Guide - Page 66
... VctA + VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB (Vector Cross Product) Obtain the absolute values of gravitation; 40: standard atmosphere
E-64 Determine the size of the angle (angle unit: Deg) formed by
vectors A = (-1, 0, 1) and B = (1, 2, 0), and...
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