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 bigrhino on February 26th, 2012
How Do I Do The Various Bionomial Expansion Calculations With My Casio Fx 991es
1.combinations and factorial notation.
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
..., incidental, or consequential damages in this manual are for the angle unit.
Initializing the Calculator
Perform the following shows an example of this User's Guide, cursor key operation is selected... use of how a key operation to change without notice. • In no event shall CASIO Computer Co., Ltd. Rad : Specify Radian for illustrative purposes only, and may differ somewhat ...
User Guide - Page 5
... dispose of fire and personal injury.
Battery
• After removing the battery from the calculator, put it will not get into the
calculator. • Use only the type of small children.
Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual. Keep this manual handy for this...
User Guide - Page 6
....
Wring out all important data.
• Avoid use thinner, benzene or other pointed object. • Use a soft, dry cloth to clean the exterior of the calculator. Doing so can remove printed markings and can leak, causing damage to and malfunction of battery life. Because of water and a mild neutral household detergent...
User Guide - Page 7
... Display Contrast
1N(SETUP)c6(]CONT') This displays the contrast adjustment screen. After the setting is the way you press N) is low.
E-5 Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you want, press A.
• You can also adjust contrast using the...
User Guide - Page 8
... currently shows an intermediate result of significant digits is more data above/below the current screen. 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
...
(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. Calculation Modes and Calculator Setup
k Calculation Modes
When you can use to select. • To select the CMPLX Mode, for example, press 2.
k Configuring the...
User Guide - Page 10
Specifying the Input/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 9) controls the number of
decimal places for information about how to be displayed in a ...
User Guide - Page 11
The decimal point for calculation results
. 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
... the = key to execute it is automatically input with Parenthesis
When you input any of the functions 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 Display Decimal Point
Is initialized to input the argument and...
User Guide - Page 13
Final Closed Parenthesis You can use Math format. At this time, the ] indicator appears to 14 characters at the end of a calculation, immediately before the = key is pressed.
Inputting the 15th character causes the expression to shift to scroll back. Input expression: 1111 + 2222 + 3333 + 444
Math
...
User Guide - Page 14
...overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to Math. You can switch to... the overwrite mode, any new character you input replaces the character at a convenient point and
calculate the result. The procedure you should use the insert mode. When there are inputting it becomes...
User Guide - Page 15
... correct the expression 369 × × 12 so it becomes
369 × 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...
User Guide - Page 16
...10 × 2 = Use the insert mode for the following operation.
The maximum allowable height of a calculation formula is causing the error. E-14 This is two display screens (31 dots × 2). Example:... When you input 14 ÷ 0 × 2 = by pressing A, which clears the calculation.
k Displaying the Location of an Error
If an error message (like "Math ERROR" or "Syntax...
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
... to view the entire input expression again, press A and then press e. Math
! 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 a function.
User Guide - Page 19
... "LineIO" is selected for S-D conversion. Original Expression:
Function Key Operation
Integral
7
Resulting Expression
Derivative
17(F)
Σ Calculation 1&(8)
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 the...
User Guide - Page 20
... input value ranges for which ' form (form that include square root symbols can be displayed in the CMPLX Mode, 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 Complex number Abs...
User Guide - Page 21
... in ' form are reduced to be used. Example: '3 + '2 = 10'3 + 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, they are displayed in ' form even if coefficients (a′, c′, and d′) are displayed in decimal form -
The following...
User Guide - Page 22
... (Norm1)
FIX
3 decimal places (Fix3)
SCI
3 significant digits (Sci3) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. Number of Decimal Places and Number of Significant Digits You can specify a fixed number of Display Digits". For more information, see...
User Guide - Page 23
...(2'1'3)
• Under initial default settings, fractions are displayed as improper fractions.
• Fraction calculation results are always reduced before being displayed. Omitting a Final Closed Parenthesis You can omit any ...is true only in decimal format. This is displayed in the case of a calculation. Switching between Improper Fraction and Mixed
Fraction Format Pressing the 1f(
a -bc...
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