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 ackyabby6 on December 2nd, 2013
How To Calculate Normal Distribution Value 991ms
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Related Casio fx 991MS Manual Pages
User Guide - Page 5
... using the calculator for the 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...the normal expected battery life.
• Low battery power can cause slow display response, total failure of the display, and shortening of the calculator.
Always keep written records of the calculator's ...
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 11
... formula and result of the following actions. Pressing [ again back steps sequentially (new-to-old) through past calculations.
• Pressing the e or r key while a replay memory calculation is on the display changes to the normal cursor from one calculation mode to an insert cursor t. k Replay Function
• Every time you last performed. When you press...
User Guide - Page 12
... more than nine decimal places. • All of the examples in this manual show calculation re- k Exponential Display Formats
This calculator can select between two formats that determine at what point exponential notation is used for Norm 2.
Larger values are joined using a colon ( : ). • Example: To add 2 + 3 and then multiply the result by 4
2 + 3 p \ g - 4 = 2+3
5.Disp...
User Guide - Page 13
... symbol set-
Disp
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 perform basic calculations. sin -1.23 → S R D 1.23 T
11 ting, press the F key a number of calculations must be enclosed within parentheses.
COMP F 1 • Negative values inside of times until you...
User Guide - Page 14
...10-9) ҃ 1.5҂10-8 3 - 5 e D 9 =
• Example 2: 5҂(9ѿ7) ҃ 80 5 -
k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer + numerator + denominator + separator marks) exceeds 10.
• Example 1: 2 ѿ 1 ҃ 13 3 5 15 2 C 3 + 1 C 5 =
13...
User Guide - Page 16
...; An error occurs if you need to assign the Answer Memory value into a variable and then use the variable in the mark up or discount calculation, you try to input a mixed fraction while the d/c display format is selected. This is because the calculation performed when v is pressed stores a result to Answer Memory before the...
User Guide - Page 17
...; You can perform sexagesimal calculations using degrees (hours), minutes, and seconds, and convert between sexagesimal and decimal values.
• Example 1: To convert the decimal value 2.258 to a sexagesimal value and then back to change the settings for the number of decimal places, the number of significant digits, or the exponential display format, press the F key...
User Guide - Page 18
... also updated with two significant digits (Sci 2)
F..... 2(Sci) 2 1 \ 3 =
SCI
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-
pression, the calculated result automatically updates Answer Memory contents by a letter (A through F, or M, X, or Y).
16
User Guide - Page 19
... is convenient for the exponent. • Answer Memory contents are nine variables (A through F, M, X and Y), which can use the calculation result that is currently on the display (and also stored in an error. k Independent Memory
• Values can be used with a subsequent Type A function (x2, x3, x-1, x!, DRG'), +, -, ^(xy), x , ҂, Ö, nPr and nCr. tion...
User Guide - Page 20
... unit you want to appear on the display before starting the next calculation.
• π = 3.14159265359
...values assigned to all of times until you want to enter the COMP Mode when you reach the angle unit setup screen shown below.
A B 1(Mcl) =
• 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...
User Guide - Page 23
* 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 r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to polar coordinates (r,) (Rad)
r ҃ 2
f* 1 P L 3 T =
* A f in the case of .
21 D R G
1 2 3
• Pressing 1, 2, or 3 ...
User Guide - Page 24
...values for each of the coefficients. Element value 22 EQN F 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....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 ...
User Guide - Page 25
...
0.
Use [ and ] to scroll between coefficients on the display. Calculation starts and one of the first solution appears first. This is a complex number, the real part of the solutions appears as soon as you input a value for the final coefficient. • Any time until you input a value for the final coefficient (c for a quadratic equation...
User Guide - Page 28
...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 Each time you can recall using the key opera- Statistical
SD
Calculations... calculate σnҀ1, σn, o, n, Σx, and Σx2 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-...
User Guide - Page 29
...calculation, recall
of statistical calculation results, etc.), you should always press the t key first to scroll through data
shows both the data item and a separate screen for data storage. Ed i t OFF ESC
1
2
27 Input the new value...
• Data values you will not be able to display the screen shown below. The message "Data Full" appears and you register are normally stored in any more...
User Guide - Page 30
...display or edit any longer after perform either the following operations.
REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Press 1 if you will be unable to perform statistical calculations...Press 2 to exit data input without registering the value you just input, without saving it in the SD Mode or REG Mode, you want ...
User Guide - Page 32
... hPa
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 Coefficient A = 997... A X r r r 2 =
30
Finally, calculate the coefficient of data input up to that point is :
y = A + Bx.
• Example:...
User Guide - Page 35
...; Cause
• Improper use of the error and make sure they are using a value that exceeds the allowable input range.
• An attempt to display the calculation with the cursor located at the location of an argument
33
the display. Stack ERROR • Cause
• The capacity of the numeric stack or operator stack...
User Guide - Page 36
... e or r to display the location of the cause of π, e (natu-
x3, x2, xҀ1, x!, ° ' " Engineering symbols* Normal distribution: →t * m,...Calculations are performed in front of precedence.
1 Coordinate transformation: Pol (x, y), Rec (r, θ) Differentials: d/dx* Integrations: ∫dx* Normal distribution: P(*, Q(*, R(*
2 Type A functions: With these functions, the value...
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