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 ajmonpa on August 18th, 2021
How To Get Anwers In Decimals Not In Fractions.
How do I get anwers in decimals not in fractions?Thanks
Current Answers
Answer #1: Posted by Troubleshooter101 on September 24th, 2021 5:18 PM
Troubleshooter101
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Related Casio FX-991ES Manual Pages
User Guide - Page 8
... the 1 key. The alpha input mode will be replayed, or there is selected as the input/output format. The calculator is in independent memory. The display currently shows an intermediate result of decimal places is a value stored in the VECTOR Mode. There is in effect. This indicator appears after you press a key...
User Guide - Page 9
...above indicators (without any value) while it performs the calculation internally. 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 use to...
User Guide - Page 10
... 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 the specified digit before being displayed. Calculation results are written on paper.
• Linear format causes fractions and other expressions to 9) controls the number...
User Guide - Page 11
...
only. The decimal point for calculation results
. &#...8226; Norm: Selecting one of the STAT Mode STAT editor screen on or off. Norm1: 10-2 > x, x > 1010 Norm2: 10-9 > x, x > 1010
Example: 1 ÷ 200 = 5 × 10-3 (Norm1) 0.005 (Norm2)
Specifying the Fraction Display Format
To specify this fraction...
User Guide - Page 12
... 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 anything, press A(Cancel...
User Guide - Page 16
... input will become impossible if the height of the calculation you are inputting exceeds the allowable limit.
•...calculation formula to be greater than one display line. Example: When you press =, press d or e. Important!
• Certain types of expressions can also exit the error screen by mistake instead of functions and parentheses is allowed. You can input and display fractions...
User Guide - Page 17
... 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 ...Format Input Examples • The following operations are used up by input.
Function/Symbol Improper Fraction Mixed Fraction log(a,b) (Logarithm) 10^x (Power of 10) e^x (Power of the cursor on the...
User Guide - Page 18
...the required key operations to use them.
Original Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16
Example: To incorporate the expression ...215; 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 ...
User Guide - Page 19
... in a Form that Includes '2, π, etc. (Irrational Number Form)
When "MthIO" is selected for the input/output format, calculation results are always displayed using decimal values (no irrational number form) regardless of whether you press = or 1=.
• π form (form that includes π within irrational number display) display conditions are ...
User Guide - Page 20
... apply respectively to two terms
(an integer term is always used for display of the above ranges. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for input values outside of trigonometric calculation results. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12
π...
User Guide - Page 21
...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 are displayed in decimal form - 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, 1 < f < 100...
User Guide - Page 22
...Example: 7 × 8 - 4 × 5 = 36
LINE
7*8-4*5=
• The calculator automatically judges the calculation priority sequence.
k Arithmetic Calculations
Use the +, -, *, and / keys to perform arithmetic, fraction, percent, and sexagesimal calculations. Example: 1 ÷ 6 =
LINE
Initial default setting (Norm1)
FIX
3 decimal places (Fix3)
SCI
3 significant digits (Sci3) • For more...
User Guide - Page 23
... selected.
E-21 Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction Calculations
How you should input fractions depends on the input/output format that involves both fraction and decimal values 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
⇔...
User Guide - Page 24
... about to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between Fraction and Decimal Format f
• The format of the fraction depends on the currently selected fraction display format setting (improper fraction or mixed fraction).
• You cannot switch from 40 to become a percent.
How...
User Guide - Page 25
...´30˝ = 3°00´00˝ Converting Values between Sexagesimal and Decimal Pressing e while a calculation result is an intermediate result of sexagesimal calculations
produces a sexagesimal result. -
Appendix Convert 2.255 to right when you press =. Using Multi-statements in Calculations
You can use the colon character (:) to connect two or more expressions and...
User Guide - Page 40
... (either the r-value or the X-value) produced by 1000. Appendix (5 + 3)! = 40320
Absolute Value Calculation (Abs) When you perform coordinate conversion inside of an expression instead of a value that the values shown here are examples only. The random 3 digit decimal values are converted to 3-digit integer values by multiplying by the conversion. n and...
User Guide - Page 41
...: 200 ÷ 7 × 14 = 400 LINE
200/7*14=
(Specifies three decimal places.) FIX 1N6(Fix)3
(Calculation is rounded to the number of significant digits specified by the number of display digits setting...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 ...
User Guide - Page 42
...the value 123 to engineering notation, shifting the decimal point to transform between its decimal (D) form and its standard (S) form (fraction, π). Performing S-D transformation again converts ...Transformation
You can be used to transform a displayed decimal calculation result to transform a value between standard form and decimal form. k Using Engineering Notation
A simple key operation...
User Guide - Page 43
... cannot be converted to ' form. Note
• When you can take some time to perform. When the original calculation result is true only in decimal form, it to decimal form by pressing the f key.
Example: Fraction → Decimal
MATH
Math
'5c6=
• Each press of Math format. This is in the case of the f key...
User Guide - Page 55
...; The initial default number base setting when you input values that are not allowed
for the number system being used in the BASE-N Mode.
If a calculation produces a fractional value, the decimal part is outside the applicable range for the currently selected number base (such as inputting 2 while binary is always...
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