Casio fx 991MS Support Question
Casio fx 991MS Support Question
Find answers below for this question about Casio fx 991MS - Scientific Display Calculator.Need a Casio fx 991MS manual? We have 1 online manual for this item!
Question posted by GeBra on January 1st, 2014
How To Calculate Mean Median And Mode On Casio Fx 991 Ms Calculator
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Current Answers
Related Casio fx 991MS Manual Pages
User Guide - Page 1
fx-95MS fx-100MS fx-115MS (fx-912MS) fx-570MS fx-991MS
User's Guide
kfx-912MS owners
Please be sure to read the important notice of this manual. E
http://world.casio.com/edu_e/
User Guide - Page 4
...to take batteries apart, or allow batteries to use the calculator for later reference. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Misuse of batteries can cause them ...of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this manual handy for a long time (fx-95MS/100MS/570MS). • Use only the...
User Guide - Page 5
... first time.
• Even if the calculator is operating normally, replace the battery at least once every three years for the fx115MS/fx-570MS/fx-991MS, or at least once every two years for the fx-95MS/fx-100MS. A dead battery can cause slow display response, total failure of the display, and shortening of battery life. be liable...
User Guide - Page 8
... and
Permutation/Combination 20 kAngle Unit Conversion 21
kCoordinate Conversion (Pol (x, y), Rec (r 21
kEngineering Notation Calculations 22
Equation Calculations 22
kQuadratic and Cubic Equations 22 kSimultaneous Equations 24
Statistical Calculations 26
Standard Deviation 26 Regression Calculations 28
Technical Information 32
kWhen you have a problem 32 kError Messages 32 kOrder of...
User Guide - Page 9
...User's Guide 2 (Additional Functions)" for the fx-95MS only.
A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 fx-95MS Modes
To perform this type of calculation:
Perform this To enter key operation: this mode:
Basic arithmetic calculations F 1
COMP
Standard deviation
F 2
SD
Regression calculations
F 3
REG
Solution of the mantissa has...
User Guide - Page 10
... the initial defaults shown below, press A B 2(Mode) =. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode indicators appear in the upper part of the mode you need to perform the calculations being described is running low. If you should divide your calculation into two or more than 79...
User Guide - Page 11
... result of both expressions and results.
• Replay memory is on the display inserts the input at the insert cursor position.
• Pressing A K, or = returns to the normal cursor from one calculation mode to an insert cursor t. When you change to another When you initialize modes and settings by any of the following actions.
User Guide - Page 13
...
1
• Display the selection screen. fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to
the setting you want to use the display setup (Disp) ... of calculations must be enclosed within parentheses. A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to enter the COMP Mode when you
want to perform basic calculations.
...
User Guide - Page 15
.../c): Mixed fraction 2(d/c): Improper fraction
13 Disp
1
• Display the selection screen.
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to
the setting you want to specify the display format when a fraction calculation result is greater than one.
• To change the fraction display format, press the q key a number of times until...
User Guide - Page 18
...
3.3-01
• Press F ..... 3(Norm) 1 to clear the Fix specification.
• Example 2: 1 Ö 3, displaying result with result whenever you press = after inputting values or an ex- Memory Calculations COMP
Use the F key to enter the COMP Mode when you want to perform a calculation using the specified number of decimal places.
200 \ 7 =
28.57100
(Internal rounding...
User Guide - Page 20
...; Example: 193.2 Ö 23 ҃ 8.4
193.2 Ö 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 =
Scientific Function Calculations
COMP
Use the F key to enter the COMP Mode when you want to clear the values assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default angle...
User Guide - Page 22
... ) ҃ 1.988647795
7 A H 123 =
• Example 4: 123 ѿ 302 ҃ 1023
123 + 30 K =
• Example 5: 123 ҃ 1728
12 N * =
* A N in a group of fx-570MS/fx-991MS.
• Example 6: 1 ҃ 12
1 3
ȕ
1 4
R 3 a , 4 a T a =
• Example 7: 8! ҃ 40320
8 A f =
• Example 8: To generate a random number between
0.000 and 0.999
A M =
0.66400
(The...
User Guide - Page 23
.../fx-570MS/
fx-991MS.
θ ҃ 1.047197551
0 o
• Press 0 n to display the value of .
21 D R G
1 2 3
• Pressing 1, 2, or 3 converts the displayed value to the corresponding angle unit.
• Example: To convert 4.25 radians to degrees
q ..... 1(Deg)
4.25 A v 2(R) =
4 . 25r
243.5070629
k Coordinate Conversion (Pol (x, y), Rec (r, θ ))
• Calculation...
User Guide - Page 24
...8594; 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and simultaneous linear equations with up to...3
Use this screen to solve an equation.
Use the F key to enter the EQN Mode when you
should scroll to three unknowns.
EQN F F 1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and Cubic Equations
Quadratic Equation: ...
User Guide - Page 28
...;n, o, n, Σx, and Σx2 for n, Σx, Σx2, o, σn and σn-1, which you press S to calculate values for the following data : 55, 54, 51, 55, 53, 53, 54, 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1. SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to perform statistical...
User Guide - Page 29
... = 1.316956719 Arithmetic Mean (o) = 53.375 Number of Data (n) = 8 Sum of Values (Σx) = 427 Sum of Squares of Values (Σx2) = 22805
A X 2 = A X 1 = A U 3 = A U 2 = A U 1 =
Data Input Precautions
• S S inputs the same data twice. • You can then edit the displayed data, if you want to perform some other operation (calculation, recall
of statistical calculation results, etc...
User Guide - Page 30
... the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you want to register the value you just input, without registering the value you will be able to display or edit any longer after perform either the following operations.
Press 2 to perform...
User Guide - Page 32
...Perform linear regression to determine the regression formula terms and correlation coefficient for linear regression is indicated on the display (n value).
15 P 1005 S
20 P1010 S 25 P 1011 S 30 P 1014 S
Regression...2 =
30 Next, use variables. In the REG Mode:
1(Lin)
A B 1 (Scl) = (Stat clear)
REG
10 P1003 S n=
1. Finally, calculate the coefficient of data input up to that point is ...
User Guide - Page 34
... Information
k When you always keep written copies of the same data us- Make sure you have a problem......
Enter the correct mode and try performing the calculation again.
Regression Coefficient A = -35.59856934 Regression Coefficient B = 1.495939413
A X r r 1 = A X r r 2 =
Regression Coefficient C = - 6.71629667 i10 -3
A X r r 3 = n when xi is 16 = -13.38291067 16 A X r r r 3 = m1...
User Guide - Page 37
.../fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from left . exIn 120 → ex{In( 120)} • Other operations are performed from
right to their precedence during calculations. The negative sign (-) is treated as a Type B function, so particular care is required when the calculation includes a high-priority...
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