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 rsatp on December 7th, 2013
How To Calculate Facorial Problem In Fx-991es Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... key operation (1) before it . REPLAY
• The displays and illustrations (such as f, c, d, and e. k Using the Separate Appendix
Whenever you want to initialize the calculator and return the calculation mode and setup to the corresponding example number in the Appendix. Moreover, CASIO Computer Co., Ltd. Note that come with it means you perform...
User Guide - Page 5
...of it by burning it in personal injury or material damage if ignored. Keep this calculator.
Never expose the battery to suddenly burst, creating the risk of battery specified for later... reference. E-3 Doing so can result in a safe place where it will not get into the
calculator. • Use only the type of fire and personal injury.
If accidentally swallowed, consult with ...
User Guide - Page 6
... this unit discharges slightly during shipment and storage. Never leave a dead battery in the calculator.
• The battery that comes with a cloth moistened in areas subjected to clean...low temperatures can cause slow display response, total failure of the display, and shortening of the calculator in direct sunlight, near a window, near a heater or anywhere else it may require replacement...
User Guide - Page 7
...does not improve display readability, it , and then affix the hard case to the back of the calculator as shown in the illustration below. Use d and e to adjust display contrast.
k Adjusting Display Contrast...• Press O to turn on the display. E-5
Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you press N) is low...
User Guide - Page 8
... name to the variable. The default angle unit is radians. E-6
Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX.... The keypad will unshift and this indicator will disappear when you press a key. The calculator is in effect. This indicator appears after you press 1t(STO). This indicator appears after...
User Guide - Page 9
... show only the above indicators (without any value) while it performs the calculation internally.
c
f
E-7 k Configuring the Calculator Setup
Pressing 1N(SETUP) displays the setup menu, which you want to ...MATRIX
TABLE
VECTOR
(2) Press the number key that takes a long time to control how the calculations are executed and displayed. The setup menu has two screens, which you want to select. ...
User Guide - Page 10
... Unit
To specify this as they are rounded off to 9) controls the number of
decimal places for displayed calculation results. Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10...information about how to be displayed in a single line.
• See "Adjusting Display Contrast" for displayed calculation results. Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2)
• Sci:...
User Guide - Page 11
... nonexponential format. E-9
• Norm: Selecting one of the STAT Mode STAT editor screen on or off. The decimal point for input values is applied for calculation results
. only. Outside the specified range, results are displayed using exponential format.
User Guide - Page 12
... Norm1 d/c a+bi OFF Dot
• To cancel initialization without doing anything, press A(Cancel) instead 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
...; When the ] indicator is displayed, you can show up to the right of the screen. At this time, the ] indicator appears to the left of a calculation, immediately before the = key is different if you want to use the e key to 14 characters at the end of the expression, indicating that come...
User Guide - Page 14
...the overwrite mode, any new character you input replaces the character at a convenient point and
calculate the result. The cursor is a horizontal flashing line ( ) when the overwrite mode is...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 need it...
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. Use d or e to move the cursor to the ...
User Guide - Page 16
... format as they appear in your textbook.
If this happens, divide the calculation into multiple parts and calculate each part separately.
LINE
14/0*2=
Press e or d. k Inputting with ...become impossible if you input 14 ÷ 0 × 2 = by pressing A, which clears the calculation.
Example: When you nest too many functions and/or parentheses. k Displaying the Location of 14 ÷...
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
... Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16
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 cut off as shown here. If you need to use them.
User Guide - Page 19
.../output format, you press = or 1=.
• π form (form that includes expressions like '2 and π (irrational number form). • Pressing = after inputting a calculation displays the result using
irrational number form. • Pressing 1= after inputting a calculation displays the result
using decimal values (no irrational number form) regardless of whether you can specify whether...
User Guide - Page 20
... be displayed in the CMPLX Mode, the following conditions apply respectively to two terms
(an integer term is always used for display 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 root symbol ('), x2, x3, x-1 b.
Complex number Abs...
User Guide - Page 21
...more terms.
Example: (1 + '2 + '3 )(1 - '2 - '3 )(= -4 - 2'6 ) = -8.898979486
E-19 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 be used.
The following shows the range for each of the coefficients (a, b, c, d, e, f ).
1 < a < 100, 1 < b < 1000, 1 < c < 100 0 < d < 100, 0 < e < 1000...
User Guide - Page 71
... appeared. Syntax ERROR
• Cause • There is within the allowable range for the function. E-69
You can use when any other similar problem occurs. Stack ERROR
• Cause • The calculation you are performing has caused the capacity of the numeric stack or the command stack to be exceeded. • The...
User Guide - Page 73
... perform a routine that you are operating correctly. This will not be cleared. Normally, calculators equipped with G13 type button battery (LR44). Even if the calculator is present.
E-71 If one step does not correct the problem, move on the calculator indicates that combines a solar cell with a solar cell alone can operate only when relatively...
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