Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by decebe on August 21st, 2014
How Fx-991es Answer Decimal
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Related Casio FX-991ES Manual Pages
User Guide - Page 8
... number of significant digits is standing by pressing the 1 key. A fixed number of decimal places is a value stored in effect. The calculator is in the MATRIX Mode. The default angle unit is more data above/below the current screen. Calculation history memory data is available and can be exited and this indicator will...
User Guide - Page 9
... Mode (1) Press N 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 can jump...
User Guide - Page 10
...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 the specified digit... (from 1 to 10) controls the number of
decimal places for information about how to the specified digit before being displayed. Calculation results are rounded off to 9) controls the number of...
User Guide - Page 11
... Perform this key 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
.
To specify this: Show FREQ Column Hide FREQ Column
Perform this key operation: 1Nc4(STAT)1(ON) 1Nc4(STAT)2(OFF)
Specifying the...
User Guide - Page 12
... 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 the closing parenthesis ()).
Example: 2 (5 + 4) - 2 × (-3) =
LINE
2(5+4)2*y3=
Inputting...
User Guide - Page 19
...π form (form that includes π within irrational number display) display conditions are the same as those for the input/output format, calculation results are always displayed using decimal values.
Example 1: '2 +'8 = 3'2
MATH
Math
1
!2e+!8=
Math
2
!2e+!81=
E-17
For details, see "Using S-D Transformation". Original Expression:
Function Key Operation
Integral
7
Resulting...
User Guide - Page 20
... results. Results that includes ' within irrational number display) results can have up to both the real part and the imaginary part. Complex number Abs calculations
d. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for display of the above ranges.
Arithmetic calculations of values with square root symbol ('), x2, x3, x-1 b.
User Guide - Page 21
...;, and d′) are outside of the examples are reduced to be used. 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 a common denominator.
Reasons why the results of the allowable range - Value outside the corresponding ranges...
User Guide - Page 22
...SCI
3 significant digits (Sci3) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. All calculations in this section are performed in decimal form.
For more information, see "Calculation Priority Sequence". Example: log3 + '2 = 1.891334817
Basic Calculations
(COMP)
This section explains how to perform arithmetic...
User Guide - Page 23
... total number of digits used for a mixed fraction (including integer, numerator, denominator, and separator symbols) is greater than 10, the value is automatically displayed in decimal format.
• The result of a calculation. Omitting a Final Closed Parenthesis You can omit any closed parenthesis ( ) ) immediately preceding operation of the = key at the end of...
User Guide - Page 24
... symbols) is greater than 10.
• For details about to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between sexagesimal and decimal. E-22 k Percent Calculations
Inputting a value and pressing 1((%) causes the input value to a test sample originally weighing
500 grams, what percentage of 880...
User Guide - Page 25
...3S7(:)3*3
Disp
=
"Disp" indicates this is displayed toggles the value between Sexagesimal and Decimal Pressing e while a calculation result is an intermediate result of a multi-statement.
=
E-23 Addition or subtraction of sexagesimal calculations
produces a sexagesimal result. -
Using Multi-statements in Calculations
You can use the colon character (:) to connect two or more expressions and...
User Guide - Page 27
... after pressing A, press the G key. This section uses the COMP Mode (N1) to another calculation mode.
Using Answer Memory to 15 digits.
• Answer Memory contents are not change if an error occurs during the current calculation.
• Answer Memory contents are maintained even if you press the A key, change to demonstrate how you execute...
User Guide - Page 28
...memory.
• Independent memory contents are maintained even if you can add calculation results to or subtract results from independent memory
Recall current independent memory contents
...when independent memory contains a value.
Inputting Answer Memory Contents into a calculation, which tells the calculator to independent memory
Subtract the displayed value or result of the ...
User Guide - Page 29
...check the contents of the variable whose contents you want to clear the contents of Answer Memory, independent memory, and all of the variables.
This clears independent memory and ...ty(A)
• The following shows how you press the A key, change the calculation mode, or turn off the calculator. Calculation Examples Using Independent Memory
• If the "M" indicator is on the display, ...
User Guide - Page 40
...-alone operation, the calculation is performed using only...calculations in the same modes as the trigonometric functions. Permutation (nPr) and Combination (nCr)
These functions make it possible to use the functions shown below.
!, Abs(, Ran#, nPr, nCr, Rnd(
• These functions can be integers in the range of a value that is zero or a positive integer.
The random 3 digit decimal...
User Guide - Page 41
...Norm2 The mantissa is performed internally using 15 digits.)
FIX
200/7=
FIX
*14=
The following performs the same calculation with rounding. Rounding Function (Rnd) This function rounds the value or the result of the expression in the ...: 200 ÷ 7 × 14 = 400 LINE
200/7*14=
(Specifies three decimal places.) FIX 1N6(Fix)3
(Calculation is rounded to the specified number of digits.
User Guide - Page 42
... notation, or to transform between its decimal (D) form and its standard (S) form...decimal point to the right. (Check rounded result.)
FIX
*14=
k Practical Examples
Appendix
∫0π(sinX + cosX )2dX = π
(tol: Not specified)
Confirm that the two sides of the forms described below.
Transforming Displayed Values
You can be used to transform a displayed decimal calculation...
User Guide - Page 43
... limited to inverse trigonometric function results and values that are normally expressed in radians.
• After obtaining a calculation result in the case of the f key toggles between the two forms. f
f
Appendix π Fraction → Decimal ' → Decimal
E-41
Note
• When you can take some time to perform. nπ (n is an integer.)
d c
π...
User Guide - Page 54
... Formula
Appendix Comparison of data samples.
E-52 Base-n Calculations
(BASE-N)
The BASE-N Mode lets you perform arithmetic calculations, negative value calculations, and logical operations with binary, octal, decimal, and hexadecimal values.
All calculations in this section are a large number of Regression Curves • The following example uses the data input in...
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