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 Anonymous-154063 on September 2nd, 2015
Standard Deviations And Criteria
how to calculate standard deviation and criteria
Current Answers
Answer #1: Posted by TechSupport101 on September 2nd, 2015 9:12 PM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Standard deviation on page 26 of the manual here https://www.helpowl.com/manuals/Casio/fx991MS/40725. The same manual should be able to advise if you can compute criteria directly using the this Casio model.
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 3
Never slide the display end of the unit into the cover.
.....1
.....2
1 Removing and Replacing the Calculator's Cover
• Before starting .....1 Holding the cover as shown in the illustration, slide the unit out of the cover. • After you are finished .....2 Holding ...
User Guide - Page 4
...calculator. • Remove the battery if you load it will not get into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach of fire and personal injury.
• The displays...Caution
This symbol is used to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of the calculator by incineration.
• Misuse of batteries...
User Guide - Page 5
...fx-570MS/fx-991MS, or at least once every two years for the fx-95MS/fx-100MS. A dead battery can cause discoloration or deformation of the calculator's case, and damage to very high temperatures. Also avoid leaving the calculator...can cause slow display response, total failure of the display, and shortening of battery life. be liable to and malfunction of the calculator. Moreover, CASIO Computer Co.,...
User Guide - Page 7
... Display Formats 10 kDecimal Point and Separator Symbols 11 k Initializing the Calculator 11
Basic Calculations 11
k Arithmetic Calculations 11 kFraction Operations 12 kPercentage Calculations 14 kDegrees, Minutes, Seconds Calculations 15 kFIX, SCI, RND 15
Memory Calculations 16
kAnswer Memory 16 kConsecutive Calculations 17 kIndependent Memory 17 k Variables 17
Scientific...
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
...; The following table shows the modes and required
operations for information about modes and their selection.
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 more than three digits.
Users of other models...
User Guide - Page 10
... information about using the g key.
8 See "Answer Memory" for example, takes up each section. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode indicators appear in a subsequent calculation.
Whenever you input the 73rd step of the mode you press a number key or arithmetic...
User Guide - Page 13
... be enclosed within parentheses.
sin -1.23 → S R D 1.23 T
11 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) screen to specify the symbols you want to initialize the calculation mode and setup, and clear replay memory and variables. A B 3(All...
User Guide - Page 15
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use the display setup (Disp) screen 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 you want to
the setting you reach the setup screen...
User Guide - Page 20
...Scientific Function Calculations
COMP
Use the F key to enter the COMP Mode when you want to clear the values assigned to all of times until you want to use. (90° = π radians = 100 grads) 2 18 Deg Rad G r a
1 23
• Press the number key (1, 2, or 3) that corresponds to appear on the display... before starting the next calculation.
• π...
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
... (1, 3) to polar coordinates (r,) (Rad)
r ҃ 2
f* 1 P L 3 T =
* A f in the case of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to display the value of r, or 0 o to display the following menu. * A n in the case of fx-100MS/fx-115MS/fx-570MS/
fx-991MS.
θ ҃ 1.047197551
0 o
• Press 0 n to display the value of .
21
User Guide - Page 24
... milligrams
→ 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 ... F 1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and Cubic Equations
Quadratic Equation: ax2 + bx + c = 0 Cubic Equation: ax3 + bx2 + cx + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic...
User Guide - Page 28
... to that point is used 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.
tions noted nearby. S
• Input data is indicated on the display (n value).
54 S 51 S 55 S 53 S S 54 S 52 S
Sample Standard Deviation (σnҀ1) = 1.407885953
A X 3 =
26...
User Guide - Page 29
... statistical calculation results, etc.), you should always press the t key first to exit data display. • Pressing the S key instead of = after changing a value on the display registers the value you input as a new data item, and leaves the old value as described above key operations in calcula- Ed i t OFF ESC
1
2
27 Population Standard Deviation...
User Guide - Page 30
...fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations... want to register the value you just input, without registering the value you want to perform statistical calculations using regression.
L i n Log Ex p
1 23
re
Pw r I nv Quad
1 ...
User Guide - Page 37
...
123 4
56 7
Numeric Stack 12 23 34 45 54
Command Stack 1҂ 2 3 4ѿ 5҂
6 7ѿ
35 * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed first. • When a calculation contains an argument that the capacity of the matrix stack. exIn 120 → ex{In( 120)} •...
User Guide - Page 40
... battery
1 Press A i to the "User's Guide 2 (Additional Functions)."
* For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative and may become large.
Power Supply (fx-95MS only)
Users of other models should refer to turn power...
User Guide - Page 41
...perform any operation for fx-912MS owners The names fx-912MS (Japan domestic model name) and fx-115MS (international model name) apply to the description of the fx-912MS should refer to... 104°F)
Important notice for about six minutes.
Specifications (fx-95MS only)
Users of flashing cursor. u Auto Power Off
Calculator power automatically turns off . When this happens, press 5 ...
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