Casio FX-991ES Support Question
Casio FX-991ES Support Question
Find answers below for this question about Casio FX-991ES.Need a Casio FX-991ES manual? We have 2 online manuals for this item!
Question posted by engrqasimsarfaraz on September 11th, 2012
About Fx 991 Es Calculator
can casio fx 991 es calculator calculate indefrinite integratin and derrivative
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
... shown in this User's Guide refer to change without notice. • In no event shall CASIO Computer Co., Ltd. be liable for any claim of this manual are subject to the corresponding ...Using the Separate Appendix
Whenever you should refer to their initial default settings. Initializing the Calculator
Perform the following shows an example of how a key operation to anyone for illustrative...
User Guide - Page 5
... make sure that can result in a safe place where it will not get into the
calculator. • Use only the type of battery specified for later reference.
Never expose the ...in personal injury or material damage if ignored. E-3 Battery
• After removing the battery from the calculator, put it . Doing so can cause certain components to become shorted. If accidentally swallowed, consult ...
User Guide - Page 6
...three years.
Handling Precautions
• Be sure to press the O key before wiping the calculator. Always keep written records of humidity and dust. Wring out all important data.
•... battery life. Very low temperatures can damage internal circuitry.
• Never drop the calculator or otherwise subject it might be exposed to become corrupted or lost completely. Such conditions...
User Guide - Page 7
... the display.
k Adjusting Display Contrast
1N(SETUP)c6(]CONT') This displays the contrast adjustment screen. Replace the battery. E-5 Use d and e to the back of the calculator as shown in the illustration below.
Important!
• If adjusting display contrast does not improve display readability, it , and then affix the hard case to...
User Guide - Page 8
... of a variable name to the variable. The alpha input mode will disappear when you press a key. k About the Display
Your calculator has a 31-dot × 96-dot LCD screen.
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...
User Guide - Page 9
... to execute, the display may show only the above indicators (without any value) while it performs the calculation internally. The setup menu has two screens, which you can jump between using c and f.
Calculation Modes and Calculator Setup
k Calculation Modes
When you want to select. • To select the CMPLX Mode, for example, press 2. Important...
User Guide - Page 10
...are written on paper.
• Linear format causes fractions and other expressions to use "]CONT'". Calculation results are rounded off to the specified digit before being displayed.
• See "Adjusting Display Contrast" for displayed calculation results.
Calculation results are rounded off to the specified digit before being displayed.
Example: 1 ÷ 7 = 1.4286 ×...
User Guide - Page 11
... 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
. E-9 To specify this: Show FREQ Column Hide FREQ Column
Perform this key operation: 1Nc4(STAT)1(ON) 1Nc4(STAT)2(OFF)
Specifying the Decimal Point Display...
User Guide - Page 12
...-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 k Initializing the Calculation Mode and Other 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...
User Guide - Page 13
... cases. • Before an open parentheses (( ): 2 × (5 + 4), etc. • Before a function with Math Format". This will cause the ' indicator to appear to the right of a calculation, immediately before the = key is pressed. Number of data for a single expression.
For more information, see "Inputting with Math format, each key operation uses up...
User Guide - Page 14
...( ) when the overwrite 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 need it.
• ... to make room when you input replaces the character at a convenient point and
calculate the result. The procedure you should use the insert mode. About the Insert and...
User Guide - Page 15
... × 12 LINE Insert Mode:
369**12
dd
Y Overwrite Mode:
369**12
ddd
Y
Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode:
c60)
dddY
s Overwrite Mode:
c60)
...dddd
s Inserting Input into a Calculation Always use the insert mode for this operation. E-13
Use d or e to move the cursor to the...
User Guide - Page 16
... appear in your textbook. E-14
k Inputting with Math Format
When inputting with the cursor positioned at the error location.
The maximum allowable height of the calculation where the error occurred, with Math format, you can also exit the error screen by mistake instead of an Error
If an error message (like...
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
... need to view the entire input expression again, press A and then press e. 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 be used in the above procedure, and the required key operations to here. Math
! Incorporating a Value into a function.
This...
User Guide - Page 19
...following functions. 1l($), 1i(%), !, 6, 1!(#), 1w(Abs)
Displaying Calculation Results in a form that includes π within irrational number display) display conditions are the same...:
Function Key Operation
Integral
7
Resulting Expression
Derivative
17(F)
Σ Calculation 1&(8)
You can specify whether calculation results should be displayed in a Form that Includes '2, π, etc...
User Guide - Page 20
... up to both the real part and the imaginary part. CMPLX Mode polar coordinate display (r ∠ θ )
The following are the calculations for which ' form is also counted as a term). ' form calculation results use display formats like those shown
below.
± a'b , ± d ± a'b , ± a'b ± d'e cf
E-18 Example 2: sin (60) = '3 2
MATH s60...
User Guide - Page 21
...decimal form to be used.
More than two terms in the calculation result
• Calculation results displayed in ' form are displayed in ' form even if... + 11'2
11 10
110
• The result is the least common multiple of c and f.
• Since calculation results are reduced to a common denominator. Reasons why the results of the examples are reduced to a common denominator, they are...
User Guide - Page 22
... For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. E-20
For more information, see "Calculation Priority Sequence". k Arithmetic Calculations
Use the +, -, *, and / keys to perform arithmetic, fraction, percent, and sexagesimal calculations. Number of Decimal Places and Number of Significant Digits You can specify a fixed...
User Guide - Page 23
...) (1'(()2e1c3)
7 { 3
2 { 1 { 3
Linear Format
Numerator Denominator Integer Part
Denominator
Numerator
(7'3)
(2'1'3)
• Under initial default settings, fractions are displayed as improper fractions.
• Fraction calculation results are always reduced before being displayed. Switching between Improper Fraction and Mixed
Fraction Format Pressing the 1f(
a -bc
⇔
-dc
)
key...
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