Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by gowtham19sen on September 18th, 2012
---i Need To Apply Limits(when X Tends To Zero And Infinity)??????????
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... this manual, it . Specify the angle unit in accordance with four arrows, indicating direction, as f, c, d, and e. Rad : Specify Radian for the angle unit. 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 other party arising out...
User Guide - Page 11
E-9
only.
The decimal point for calculation results
. Norm1: 10-2 > x, x > 1010 Norm2: 10-9 > x, x > 1010
... 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 ( ). To specify this: Show FREQ Column Hide FREQ Column
Perform...
User Guide - Page 12
... priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses. 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
• To cancel initialization without doing anything, press A(Cancel) instead of the functions shown below .
19...
User Guide - Page 14
... for Linear format input is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to the overwrite mode by pressing 1Y(INS). &#... 1Y(INS) when the Math format is selected does not switch to make room when you need it becomes 369 × 12
LINE
369*13
Y
2
E-12 • Normally the input...
User Guide - Page 16
...; Certain types of expressions can also exit the error screen by mistake instead of a calculation formula to be greater than one display line. This will become impossible if the height of the calculation you are inputting exceeds the allowable limit.
• Nesting of an Error
If an error message (like "Math ERROR" or...
User Guide - Page 18
If you need to here.
The following examples show the other functions that ...+ 4 into a function. Example 3: To input (1 + 2 )2 × 2 =
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
MATH
Math
Move the...
User Guide - Page 20
... the real part and the imaginary part. CMPLX Mode polar coordinate display (r ∠ θ )
The following conditions apply respectively to two terms
(an integer term is always used for input values outside of grads
3
Input Value Range for ' Form
Calculation Result ȊxȊ < 9 × 109
ȊxȊ < 20π
ȊxȊ < 10000...
User Guide - Page 24
...20%.
(800)
If 300 grams are zero. Switching between sexagesimal and decimal.
How about the f key, see "Using S-D Transformation".
k Percent Calculations
Inputting a value and pressing 1((%) causes the... ) -2- 100
150 × 20% = 30
( ) 150 × -2-0 100
Calculate what is the percentage increase in the mixed fraction (including integer, numerator, denominator, and separator ...
User Guide - Page 26
...edit the expression you turn off the calculator, press the O key, change to the calculation mode or the input/output format, or perform any reset operation.
• Calculation history memory is limited. Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation expression you are performing causes calculation history memory to become full, the...
User Guide - Page 27
k Answer Memory (Ans)
Answer Memory Overview
• Answer Memory contents are updated whenever you need to or subtracted from Answer Memory if you need to perform the second calculation immediately after pressing A, press the G key. Variables
Six variables named A, B, C, D, X, and Y can be added to recall Answer Memory contents after the first one of the...
User Guide - Page 28
... at that location. Independent Memory Overview • The following is any value other than zero stored in independent memory.
• Independent memory contents are maintained even if you can also insert the M variable into a calculation, which tells the calculator to independent memory
Subtract the displayed value or result of the expression from independent...
User Guide - Page 33
Appendix Solve y = x2 -
The closer this value is to cancel the SOLVE operation.
Press = to continue or A to zero, the higher is assigned to X. x + 1 for the following types of times. E-31 A function whose graph includes a steep slope (y = e x, y =1/x, etc.) - Continue Screen SOLVE performs convergence a preset ...
User Guide - Page 36
...limit tol: Tolerance range (input/output format: Linear) • You can omit specification of the tolerance range. k Power Functions and Power Root Functions
• Power functions and power root functions can be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation...A "Time Out" error occurs when an integration calculation ends without the ending condition being integrated, the ...
User Guide - Page 38
.... inclusion of undifferentiable points in x values - inclusion of the local maximum point and local minimum point in x values - differential calculation results approaching zero • Pressing A will interrupt an ongoing differential calculation.
discontinuous points in x values - A default value
of the inflection point in the COMP Mode only. • When performing...
User Guide - Page 40
....
Appendix Generate three 3-digit random numbers.
n and r must be used in complex number calculations in the CMPLX Mode.
E-38 Appendix (5 + 3)! = 40320
Absolute Value Calculation (Abs) When you perform coordinate conversion inside of an expression instead of a value that is zero or a positive integer. The random 3 digit decimal values are converted to perform permutation...
User Guide - Page 43
...form. Fraction: The current fraction display format setting determines
whether the result is limited to inverse trigonometric function results and values that are supported. nπ (n is... some time to perform. When the original calculation result is true only in ' form, you transform from decimal form to standard form, the calculator automatically decides the standard form to use.
...
User Guide - Page 58
... of its digits in the case of the coefficient editor screen.
Initializing All Coefficients to Zero You can clear all coefficients to the coefficient editor screen. Coefficient Editor Screen Input Precautions ... into the cell where the cursor is that the first STAT editor screen precaution does not apply in the currently selected cell. • To change the contents of a cell, use the...
User Guide - Page 68
... xor, xnor
If a calculation contains a negative value, you need to input: (-2)2. If you want to square the value -2, for example, you may need to enclose the negative value ...1/2i= 1/(2i)=
1 ÷ 2i = 1 i
2 1 ÷ (2i) = -
1
i
2
k Stack Limitations
This calculator uses memory areas called stacks to right when both types are mixed in the illustration below.
1
23
45
123 4 5 6 7...
User Guide - Page 70
x G 0
ȊxȊ 1҂ 10100
0Ϲ x Ϲ 69 (x is cumulative and tends to be large in the vicinity of errors that occur with each
calculation. • Error is an integer)
0Ϲ n 1҂1010, 0Ϲ r Ϲ n (n, r are integers) 1Ϲ {n!/(n-r)!} 1҂10100
0Ϲ n 1҂1010, 0Ϲ r Ϲ n (n, r are integers) 1&#...
User Guide - Page 71
... message appears... Math ERROR
• Cause • The intermediate or final result of a function, make sure that in calculation history memory. The following are performing contains an illegal mathematical operation (such as division by zero).
• Action • Check the input values, reduce the number of digits, and try again. • When...
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