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 Cbrnggnow on September 8th, 2014
How To Find Normal Distribution Value In Casio 991ms
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Related Casio fx 991MS Manual Pages
User Guide - Page 5
...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 least once every two years for the fx-95MS/fx...temperatures can cause slow display response, total failure of the display, and shortening of all important data.
• Avoid use and storage in the calculator.
• The ...
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
...; Pressing t does not clear replay memory, so you can recall the last calculation even after an error occurs displays the calculation with the cursor positioned at the insert cursor position.
• Pressing A K, or = returns to the normal cursor from one calculation mode to another When you change to an insert cursor t. Inputting something while the...
User Guide - Page 12
u Norm 1 With Norm 1, exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than two decimal places.
F i x Sc i No r m
1 23
• Press 3. k Exponential Display Formats
This calculator can select between two formats that determine at what point exponential notation is used for Norm 2. In the case of...
User Guide - Page 13
... to use the display setup (Disp) screen to specify the symbols you reach the setup screen shown below. A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to enter the COMP Mode when you want to initialize the calculation mode and setup, and clear replay memory and variables.
COMP F 1 • Negative values inside of times...
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
... A v
• Example 7: What is the percentage change when a value is selected. k Percentage Calculations
• Example 1 : To calculate 12% of 1500 (180) 1500 - 12 A v
• Example 2: To calculate what is the percentage
increase in the mark up or discount calculation, you try to input a mixed fraction while the d/c display format is increased from 40 to 48? (15...
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
...
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 19
...; You can use the calculation result that is displayed causes the displayed value to change to a
17 tion performed by pressing g. • Answer Memory can store up to memory, or subtracted from memory.
• You can recall Answer ...
User Guide - Page 20
... the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default angle unit (degrees, radians, grads), press the F key a number of the variables. 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
COMP...
User Guide - Page 23
... Press 0 n to display the value of x, or 0 o to display the value of y.
• Example 2: To convert rectangular coordinates (1, 3) 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 r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion...
User Guide - Page 24
....25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and...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/cubic equation screen. view other elements.
Element value...
User Guide - Page 25
...first. • Any time until you input a value for the final coefficient (c for a quadratic equation, d for a cubic equation), you can cause calculation to view other
0. Calculation starts and one of a solution.
23 Variable name...on the screen and make changes, if you want.
• Note that you input a value for the equation. Use [ and ] to toggle the display between coefficients on the...
User Guide - Page 28
... the F key to enter the SD Mode when you want 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. 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 (σnҀ...
User Guide - Page 29
...you will not be shifted up.
• Data values you register are normally stored in any more data if there is no
...displayed data, if you want to perform some other operation (calculation, recall
of 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...
User Guide - Page 30
... will be unable to register the value you just input, without registering the value you will not be able to display or edit any longer after perform either...if you want to display or edit individual data items any of regression you want to perform statistical calculations using regression. REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones...
User Guide - Page 31
... data input with A B 1(Scl) = to recall results in the table below .
P S
• The values produced by a regression calculation depend on the values input, and results can be recalled using the key sequence shown below . To recall this type of value: Perform this key operation:
A U r r 1 A U r r 2 A U r r 3 A X r r 3 A X r r r 1 A X r r r 2 A X r r r 3
29 To recall this type of...
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 * ...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...
User Guide - Page 40
... Supply (fx-95MS only)
Users of internal consecutive calculations that battery power is low.
* 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 in the case of consecutive calculations, which can result in improper operation. This calculator is...
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