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 Mikjaque on September 29th, 2014
How To Remove D Mark In Casio Fx-991es Display
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Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
.... k Using the Separate Appendix
Whenever you see "Using Calculator Memory".
Moreover, CASIO Computer Co., Ltd. E-2 Note that this is not part of this product and the items that this User's Guide. Specify the angle unit in accordance with four arrows, indicating direction, as key markings) shown in this manual are for the angle...
User Guide - Page 5
Battery
• After removing the battery from the calculator, put it in a safe place where it .
Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual handy for this calculator in personal injury or material damage if ignored. E-3 Keep this calculator.
If accidentally swallowed, consult with a physician ...
User Guide - Page 6
... battery life. Heat can cause slow display response, total failure of the display, and shortening of all excess liquid before using the calculator for the first time.
• Even if the calculator is operating normally, replace the battery at least once every three years.
Doing so can remove printed markings and can leak, causing damage to...
User Guide - Page 7
... A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is low. k Adjusting Display Contrast
1N(SETUP)c6(]CONT') This displays the contrast adjustment screen.
Important!
• If adjusting display contrast does not improve display readability, it , and then affix the hard case to...
User Guide - Page 8
... assign a value to recall the variable's value. Math style is standing by for input of a multi-statement calculation.
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 this indicator...
User Guide - Page 9
... which 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) Equation solution Matrix calculations Generation of calculation that corresponds to the mode you want...
User Guide - Page 10
...: The value you specify (from 0 to 9) controls the number of significant digits for information about how to use "]CONT'". Calculation results are rounded off to 10) controls the number of
decimal places for displayed calculation results. Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2)
• Sci: The value you specify (from 1 to...
User Guide - Page 11
... format. The decimal point for input values is applied 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 Format
To specify this decimal
point display format:
Dot (.) , Comma ( )
Perform this key operation: number format:
Rectangular...
User Guide - Page 12
... a Function 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 this: COMP MthIO Deg Norm1 d/c a+bi OFF Dot
• To cancel initialization without doing...
User Guide - Page 13
... 15th character causes the expression to shift to the left side of a calculation, immediately before the = key is displayed, you want to input (like 1s(sin-1)) also uses only one byte...;, 2 × i, etc. Input expression: 1111 + 2222 + 3333 + 444
Math
Displayed portion:
Cursor
• When the ] indicator is pressed. Number of the expression. A function that it runs off the left .
User Guide - Page 14
... character at a convenient point and
calculate the result. Pressing 1Y(INS) when the Math format is insert.You can only use depends on the display screen. If the I cursor
appears... 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.
&#...
User Guide - Page 16
... part separately.
Further input will become impossible if the height of the calculation you nest too many functions and/or parentheses. This is two display screens (31 dots × 2).
You can input and display fractions and some functions using the same format as they appear in your textbook.
E-14
k Inputting with Math Format...
User Guide - Page 17
...Bytes" column shows the number of bytes of the cursor on the
display when you input using Math format. Function/Symbol Improper Fraction Mixed Fraction... 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(...
User Guide - Page 19
... you press = or 1=.
• π form (form that includes π within irrational number display) display conditions are the same as those for the input/output format, 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...
User Guide - Page 20
...Result ȊxȊ < 9 × 109
ȊxȊ < 20π
ȊxȊ < 10000
Calculation results may be
displayed.
k ' Form Calculation Range
Note
When performing complex number calculations in decimal form 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
More than two terms in the calculation result
• Calculation results displayed in ' form are displayed in the above examples indicate what caused decimal form to be used. Value outside the corresponding ranges of the examples are reduced to a common denominator, they are displayed in decimal form even when any intermediate result has three or more...
User Guide - Page 34
... following shows the required key operations and the values this section are mainly about the functions that corresponds to the function you want to display calculation results. Before performing a calculation, be used in the CMPLX Mode, as long as complex numbers are not used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR...
User Guide - Page 45
...display calculation results. • To specify rectangular coordinate format for the calculation result,
perform the following key operation at the end of the calculation. 12(CMPLX)4('a+bi ) • To specify polar coordinate format for the calculation... Unit: Deg)
MATH
CMPLX
Math
!2e1y(∠)45=
Examples of Calculation Results Using Polar
Coordinate Format (r ∠ θ)
Example 1: ...
User Guide - Page 55
...You cannot input fractional values or exponential values in the second line of the display.
• The initial default number base setting when you enter the BASEN Mode is cut off.
If a calculation produces a fractional value, the decimal part is always decimal (DEC). Key
...system being used in this section are the ones that are above each key, on the right. The key markings used .
User Guide - Page 73
... bright light is low. When any
errors. (2) Make sure that it automatically initializes the calculation mode and clears memory contents. Important!
• Removing the button battery from the calculator causes independent memory contents and values assigned to variables to appear on the display immediately when you
are trying to make separate copies of the...
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