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 ashishsrivastava5572 on October 28th, 2012
Normal Variate(-->t)
the command 53(SHIFT)(DISTR)4 says math error.
how can i get rid from it (ref page 13 additional user guide 991ms)
Current Answers
Related Casio fx 991MS Manual Pages
User Guide - Page 1
E
http://world.casio.com/edu_e/
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.
User Guide - Page 4
..., and can result in this User's Guide are for a long time (fx-95MS/100MS/570MS). • Use only the type of the calculator by burning it into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach of fire and personal injury.
• The displays and illustrations (such as key...
User Guide - Page 5
... can cause slow display response, total failure of the display, and shortening of these materials. Handling Precautions
• Be sure to press the 5 key before 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...
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 9
... indicated in the table below. • The following table shows the modes and required
operations for information about modes and their selection. A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only.
User Guide - Page 11
... the 5 key When you initialize modes and settings by any of the calculation you change to the normal cursor from one calculation mode to the editing screen.
• Pressing the e or r key immediately after you finish a calculation displays the editing screen for that calculation.
• Pressing t does not clear replay memory, so you can recall the...
User Guide - Page 13
ting, press the F key a number of calculations must be enclosed within parentheses. 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...
User Guide - Page 15
...
1
• Display the selection screen. fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 • Example ... You can 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 ...
User Guide - Page 20
... A j 1 \ 23 = p 1 \ 28 =
Scientific Function Calculations
COMP
Use the F key to enter the COMP Mode when you want to perform basic arithmetic calculations.
This operation deletes the data assigned to variable A. •... you want to clear the values assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric...
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
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 the initial quadratic/cubic equation screen.
Arrow indicates
direction you
should scroll to three unknowns.
Element value 22
k Engineering Notation Calculations
• Example 1: To ...
User Guide - Page 28
..., 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 (σnҀ1) = 1.407885953
A X 3 =
26
Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you want to perform statistical...
User Guide - Page 29
... us- ing A G. The message "Data Full" appears and you will not be shifted up.
• Data values 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 inputting data is no
memory...
User Guide - Page 30
...Calculations
REG
Use the F key to enter the REG Mode when you will be able to display or edit any of regression you just input. If you do this, however, you will not be unable to display...: Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression
28 REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below.
User Guide - Page 34
...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 when yi is 20 = 47.14556728 20 A X r r r 1 = m2 when yi is on
32 Technical Information
k When you expect or if an error occurs, perform the following steps.
1.
If calculation results are working with to initialize all important data. Enter the...
User Guide - Page 35
... illogical operation (division by zero, etc.)
• Action • Check your calculation into two or more separate parts. Math ERROR • Causes
• Calculation result is exceeded.
• Action • Simplify the calculation.
the display. Press t to clear the error, or press e or r to display the calculation with the cursor located at the location of an argument
33 See...
User Guide - Page 36
...Ҁ1, coshҀ1, tanhҀ1, (Ҁ) d*, h*, b*, o*, Neg*, Not*, Det**, Trn**, arg*, Abs*, Conjg*
7 Abbreviated multiplication format in front of the error and make required corrections. • Action • Press e or r to display the location of the cause of Type B functions: 2 3, Alog2, etc.
8 Permutation and combination: nPr, nCr ∠*
9 Dot (•)** 0 and* # xnor...
User Guide - Page 37
.... The numeric stack has 10 levels and the command stack has 24 levels. A stack error (Stack ERROR) occurs whenever you try to two levels of the matrix stack. * 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 a stack...
User Guide - Page 40
....) Errors are cumulative and may become large. This calculator is low. Screw
38 Replace the battery as soon as possible when display figures become dim.
Screw 2 Remove the six screws that battery power is powered by a single AA-size battery.
To replace the battery
1 Press A i to the "User's Guide 2 (Additional Functions)." Power Supply (fx-95MS only)
Users of...
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