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 Htremisir on March 31st, 2014
How To Do Matrix Multiplication In Casio Calculator Fx-991ms
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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 for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in this manual. Keep this User's Guide are facing correctly when you load it will not get into the calculator... to direct heat or dispose of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this manual handy for illustrative...
User Guide - Page 5
... 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 discoloration or deformation of the calculator's case, and damage to internal circuitry.
3 Because of this manual are subject to and malfunction...
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
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below. • The following table shows the modes and required
operations for information ...
User Guide - Page 13
... within parentheses. COMP F 1 • Negative values inside of times until you
want to perform basic calculations. 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 for the decimal point and 3-digit separator...
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
... 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
Use the F key to enter the COMP Mode when you want to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default angle unit (degrees...
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
...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. Coefficient name
a? Arrow indicates
direction you want to
0. Element value 22
k Engineering Notation Calculations
• Example ...
User Guide - Page 28
... 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 clear statistical memory.
&#... 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
tions noted nearby. Statistical
SD
Calculations
REG
Standard Deviation...
User Guide - Page 29
...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 . • You can also input multiple...example, press 110 A G 10 S. • You can then edit the displayed data, if you input multiple entries of the same data using [ and ] by pressing A U. Population ...
User Guide - Page 30
...calculations using regression. If you do this, however, you will be able to 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...press A U. • After inputting statistical data in memory. Press 2 to display or edit individual data items any of regression you will not be unable to ...
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, m1, m2, n Angle unit conversions (DRG') Metric conversions**
3 Powers and roots: ^ (xy), x 4 ab/c 5 Abbreviated multiplication format in front of the error and make required corrections.
k Order of Operations
Calculations are performed in...
User Guide - Page 37
... when the calculation includes a high-priority Type A function, or power or root operations.
The numeric stack has 10 levels and the command stack has 24 levels. * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the matrix stack.
Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS only)
•...
User Guide - Page 40
...Screw 2 Remove the six screws that battery power is low. Power Supply (fx-95MS only)
Users of the calculator indicate that
hold the back cover in place
and then remove the back
cover... by a single AA-size battery. * 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...
User Guide - Page 41
...)." Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of other models should refer to the same model.
Specifications (fx-95MS only)
Users of flashing cursor.
u Auto Power Off
Calculator power automatically turns off . Approximately 2 years when left with power turned off if you do not...
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