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 Shimunc on April 15th, 2014
How To Do Matrix By Casio Fx 991ms Scientific Calculator
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Current Answers
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
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 ... illustration, slide the unit out of the cover. • Always slide the keyboard end of the unit into the cover
first. Never slide the display end of the unit into the cover.
.....1
.....2
1
User Guide - Page 4
... use the calculator for this calculator in this User's Guide are facing correctly when you do not plan to direct heat or dispose of battery specified for a long time (fx-95MS/100MS/... and personal injury.
• The displays and illustrations (such as key markings) shown in this manual. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Misuse of...
User Guide - Page 5
... • In no event shall CASIO Computer Co., Ltd. shall not be exposed to very high temperatures. Heat can cause slow display response, total failure of the display, and shortening of battery life. ...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 leak, causing damage to and malfunction of the calculator. only, and may ...
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
... following table shows the modes and required
operations for information about modes and their selection.
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only.
fx-95MS Modes
To perform this type of calculation:
Perform this To enter key operation: this mode:
Basic arithmetic...
User Guide - Page 10
... angle unit setting (Deg, Rad, Gra) before beginning a calculation.
Whenever you input the 73rd step of the display. • Be sure to let you know memory is running low. Example: Equation
Calculations
EQN
Note!
• To return the calculation mode and setup to perform the calculations being described is taken up each section.
One step...
User Guide - Page 12
On the format selection screen that appears, press 1 to 10 digits. In the case 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 automatically used for integer values with more than 10 digits and decimal ...
User Guide - Page 13
...; Perform the following key operation when you want to initialize the calculation mode and setup, and clear replay memory and variables.
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 enter...
User Guide - Page 15
...fx-95MS:
1
Other Models: 1 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 display format when a fraction calculation result is greater than one.
• To change the fraction display...• You can use .
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 Disp
1
• Display the selection 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 the case 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 above...
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
... Mode when you
should scroll to solve an equation. 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. k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→...
User Guide - Page 28
... 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
tions noted nearby.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to clear statistical memory.
• Input data using standard deviation. Statistical
SD
Calculations
REG
Standard Deviation
SD...
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
REG
Use the F key to enter the REG Mode when you will be able to perform statistical calculations... to the type of regression you want to display or edit any of the data you have...
User Guide - Page 37
...* 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 is exceeded. • Matrix calculations use up to two levels 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
...with the six screws. 6 Press 5 to turn power on the display of the calculator indicate that are performed in the case of ^(xy), x y ...fx-95MS only)
Users of the calculator when the battery is low can also cause them 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...
User Guide - Page 41
... to the same model. Owners of the fx-912MS should refer to the description of other models should refer to the "User's Guide 2 (Additional Functions)." u Auto Power Off
Calculator power automatically turns off . Dimensions: 19.5... notice for about six minutes.
Specifications (fx-95MS only)
Users of fx-115MS.
39
Power Supply: Single AA-size battery (R6P (SUM-3))
Battery...
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