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 fawnnanaz on November 17th, 2013
How To Reset Casio Fx-991es
The person who posted this question about this Casio product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
... .
E-2 Example: 1(Setup)
Indicates the menu item that is not part of the actual key operation you want to initialize the calculator and return the calculation mode and setup to the separate Appendix. Moreover, CASIO Computer Co., Ltd. k Using the Separate Appendix
Whenever you should refer to their initial default settings. Specify the angle...
User Guide - Page 5
...ignored. Doing so can result in a safe place where it will not get into the
calculator. • Use only the type of battery specified for later reference.
Caution
This symbol ...• Keep batteries out of the reach of small children. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual. E-3
Never expose the battery to...
User Guide - Page 6
...-fitting clothing where it might be splashed by water or exposed to large amounts of the calculator in direct sunlight, near a window, near a heater or anywhere else it may require replacement... Handling Precautions
• Be sure to press the O key before wiping the calculator. Never leave a dead battery in the calculator.
• The battery that comes with this , it might be exposed to...
User Guide - Page 7
... the mode menu (which appears when you want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the calculator. • Press 1A(OFF) to adjust display contrast. E-5
k Turning Power On and Off
• Press O to the...
User Guide - Page 8
... assign a value to recall the variable's value. A fixed number of a variable name to the variable. The calculator is in the CMPLX Mode. The calculator is in the MATRIX Mode. The default angle unit is radians. Calculation history memory data is available and can be exited and this indicator will disappear when you press...
User Guide - Page 9
... Mode (1) Press N to display the mode
menu. Calculation Modes and Calculator Setup
k Calculation Modes
When you can use to control how the calculations are executed and displayed.
Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal...
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
.
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
... that requires two key operations to the right of the screen. Displaying a Long Expression The display can omit the multiplication sign (×) in any of a calculation, immediately before the = key is displayed, you input uses up to the left and view the hidden part by pressing the d key.
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
...Certain types of expressions can also exit the error screen by mistake instead of a calculation formula is causing the error. Further input will become impossible if you press =, press... the insert mode for the following operation. If this happens, divide the calculation into multiple parts and calculate each part separately.
Example: When you can then make necessary corrections. k...
User Guide - Page 17
... Fraction Mixed Fraction log(a,b) (Logarithm) 10^x (Power of 10) e^x (Power 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...
User Guide - Page 18
... the shape of the cursor as shown in the Example 3 screen shot.
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 incorporated into the function specified here.
• If the cursor is located left of a particular value or fraction...
User Guide - Page 19
...
2
!2e+!81=
E-17
Note
• When "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 specify whether calculation results should be displayed in a Form that Includes '2, π, etc. (Irrational Number Form)
When "MthIO" is selected for the input/output format...
User Guide - Page 20
... Value Input
Units of 15°
Multiples
of
1 12
π
radians
50 Multiples of trigonometric calculation results. 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...
User Guide - Page 21
... in ' form are displayed in decimal form - 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 outside of the coefficients (a, b, c, d, e, f ).
1 < a < 100, 1 < b < 1000...
User Guide - Page 22
... digits (Sci3) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. Example: 7 × 8 - 4 × 5 = 36
LINE
7*8-4*5=
• The calculator automatically judges the calculation priority sequence. E-20 k Arithmetic Calculations
Use the +, -, *, and / keys to perform arithmetic, fraction, percent, and sexagesimal...
User Guide - Page 26
... by pressing d or e, without pressing A first. Appendix
E-24
Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation 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.
If you are cleared...
User Guide - Page 75
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B Printed in China
Appendix - Page 52
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B
Printed in China Imprimé en Chine
Similar Questions
For Some Reason, My Casio Fx-991es, Power On Button Refuses To Work. I Opened Th
For some reason, my Casio fx-991ES, power on button refuses to work. I opened the casing and took ou...
For some reason, my Casio fx-991ES, power on button refuses to work. I opened the casing and took ou...
(Posted by almuhseen24 1 year ago)
The Display Of My Casio Fx-991es Natural Display Scientific Calculator Become Up
The display of my Casio fx-991ES Natural Display Scientific Calculator become upside down. how can i...
The display of my Casio fx-991ES Natural Display Scientific Calculator become upside down. how can i...
(Posted by wahidullahkhan2 9 years ago)
How To Reset Fx-115es
(Posted by webstMa 10 years ago)
