Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by SRIKANTHREDDYA0 on March 29th, 2013
How I Find The Complex Imaginary Or Real Values In The Casio Fx-991es
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Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
.... Note that come with it .
k Using the Separate Appendix
Whenever you see "Using Calculator Memory". Rad : Specify Radian for the angle unit. • The following procedure when... calculation mode and setup to the corresponding example number in connection with or arising out of the purchase or use of this User's Guide refer to their initial default settings.
Moreover, CASIO ...
User Guide - Page 8
... appears after you press t. The default angle unit is a value stored in the STAT Mode. There is radians. The calculator is in the CMPLX Mode. A fixed number of decimal places... has been shifted by for input of a variable name to assign a value to recall the variable's value. The calculator is available and can be exited and this indicator will disappear when you ...
User Guide - Page 9
.... • To select the CMPLX Mode, for example, press 2. 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 display the mode
menu...
User Guide - Page 10
.../Output Format
For 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 use "]CONT'". Math
Math Format
Linear Format
Specifying the Default Angle Unit
To specify this as they are...
User Guide - Page 11
... specify this fraction display format: Mixed Improper
Perform this key operation:
1Nc1(ab/c) 1Nc2(d/c)
Specifying the Complex Number Display Format
To specify this complex Perform this key operation:
1Nc5(Disp)1(Dot) 1Nc5(Disp)2(Comma)
• The setting you configure here is applied for input values is always a dot ( ). The decimal point for calculation results
.
User Guide - Page 12
...When you input any of =. Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you need to this: COMP MthIO Deg ...Next, you input calculation expressions just as shown below.
19(CLR)1(Setup)=(Yes)
This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number Format Statistical...
User Guide - Page 14
...the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you input a new character. k Correcting an Expression
... section explains how to correct an expression as the input mode. See "Incorporating a Value into a Function" for Linear format input is selected does not switch to the overwrite...
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
...5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you can incorporate part of an input expression (a value, an expression within parentheses, etc.) into the function specified here. The following examples...'.
• If the cursor is located left of a particular value or fraction (instead of an open parentheses), that can be incorporated ...
User Guide - Page 20
... to both the real part and the imaginary part.
Trigonometric function calculations
c. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12
π
radians
50 Multiples of trigonometric calculation results. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for input values outside of values with square...
User Guide - Page 27
... not change if an error occurs during the current calculation.
• Answer Memory contents are updated whenever you change the calculation mode, or turn off the calculator.
• If a CMPLX Mode calculation produces a complex number result, both the real part and imaginary part are stored in independent memory. Using Calculator Memory
Memory Name
Description
Answer Memory Stores the...
User Guide - Page 34
... the CMPLX Mode, as long as complex numbers are not used in functions. Appendix sinh 1 = 1.175201194, cosh-1 1 = 0
E-32 Function Calculations
This section explains how to input.
The... e in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes.
The following shows the required key operations and the values this calculator uses for pi (π) and e.
π = 3.14159265358980 (15...
User Guide - Page 36
....
• The X2, X3, X-1 functions can be large error in obtained integration values and errors may be used in complex number calculations in the CMPLX Mode, and complex number arguments are treated as the calculator's default angle unit. • Integration calculations can omit specification of 10 (common logarithm) is used if no base is 1 × 10...
User Guide - Page 40
..., Rnd(
• These functions can be used in complex number calculations in the same modes as the trigonometric functions.
Appendix Abs...value that the values shown here are converted to perform permutation and combination calculations. Appendix How many four-person permutations and combinations are performing a real number calculation, this function simply obtains the absolute value...
User Guide - Page 44
... coordinate format
(r ∠ θ ). Complex Number Calculations
(CMPLX)
Your calculator can perform the following complex number calculations. • Addition, subtraction, multiplication, division • Argument and absolute value calculations • Reciprocal, square and cube calculations • Conjugate complex number calculations
All calculations in this section, the W key is...
User Guide - Page 45
• With Linear format, the real part and imaginary part are shown in
two different lines.
Specifying the Calculation Result Display Format
You can override complex number display settings and specify the format that should be used to display calculation results. • To specify rectangular coordinate format for the calculation result,
perform the following key operation at...
User Guide - Page 46
...)2(Data).
Use the STAT menu to obtain the absolute value (|Z|) and argument (arg) on the Gaussian plane for 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...
User Guide - Page 59
... screen.
• Note that you cannot transform values to engineering notation while an equation solution is in matrix memory. Appendix Equation Calculation: to select. • This displays a screen...you want to
Matrix Calculations (MATRIX)
You can save matrices under the names "MatA", "MatB", and "MatC" in accordance with the input/ output format and complex number display format settings...
User Guide - Page 68
... 54 34
Command Stack
1҂ 5҂
2
6
3
7ѿ
4ѿ
E-66 Statistical estimated value calculation: m, n, m1, m2
6. Example: y2w= (y2)w=
-22 = -4 (-2)2 = 4
Multiplication..., combinations: nPr, nCr Complex polar form symbol: ∠
7. Enclosing an operation within parentheses causes it to right when both types are mixed in the same calculation. Prefix symbol: (-) (negative...
User Guide - Page 69
...its own matrix stack, which is used for internal calculation, and calculation precision depends on the type of Digits for exponential display is a real number or a complex number. Squaring, cubing, or inverting a matrix also... the CMPLX Mode, each input value uses two levels of the numeric stack,
regardless of whether the input value is ±1 at the 10th digit for a single calculation.
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