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 Sddanny on September 11th, 2014
How To Do Matrix Multiplication Using Calculator Fx 991ms
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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
...use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in this manual handy for illustrative purposes
2 Batteries
• After removing the battery from the calculator... burst, creating the risk of fire and personal injury.
• The displays and illustrations (such as key markings) shown in personal injury or material ...
User Guide - Page 5
...; 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 least once every two years for the fx-95MS/fx-100MS. A dead battery can cause memory contents to...
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
... 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. fx-95MS Modes
To perform this type of calculation:
Perform this To enter key operation: this mode:
Basic arithmetic calculations F 1
COMP
Standard deviation
F 2
SD
Regression calculations
F 3
REG
Solution of the mantissa has...
User Guide - Page 10
... of the mode you can hold 79 "steps."
See "Answer Memory" for a single calculation. k Input Capacity
• The memory area used to change the calculator setup.
• In this manual, the name of the display. • Be sure to check the current calculation mode (SD, REG,
COMP) and angle unit setting (Deg, Rad, Gra) before...
User Guide - Page 11
... where the error occurred.
9 k Replay Function
• Every time you perform a calculation, the replay function stores the calculation formula and its result in replay memory. Pressing the [ key displays the formula and result of the following actions. k Making Corrections During Input
• Use e and r to move the cursor to the location you want.
•...
User Guide - Page 12
... with more than 10 digits and decimal values with more than two decimal places.
k Exponential Display Formats
This calculator can select between two formats that appears, press 1 to 10 digits.
u Norm 1 With Norm 1, exponential notation is automatically used . • To change the exponential display format, press the F
key a number of times until you can...
User Guide - Page 13
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. k Decimal Point and Separator Symbols
You can use .
1(Dot): Period decimal point, comma...
User Guide - Page 14
uDecimal ↔ Fraction Conversion
• Use the operation shown below to convert calculation results between decimal values and fraction values.
• Note that mix fraction and decimal 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...
User Guide - Page 15
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 Disp
1
• Display the selection screen.
&#...8226; 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...
User Guide - Page 20
particular variable: 0 A j 1. 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
Use the F key to enter the COMP Mode when you want to perform basic arithmetic calculations. Deg Rad G r a
1 23
• Press the number key (1, 2, or 3) that corresponds to the angle unit you want to clear...
User Guide - Page 22
...-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 value is not).
(840)
7 A m 4 =
• Example 11: To determine how many different 4-member groups can be produced using the numbers 1 through 7
• Numbers...
User Guide - Page 23
... fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to display the following menu. 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
...Use this screen to three unknowns. Element value 22 Arrow indicates
direction you want to
0. view other elements. k Engineering Notation Calculations...1154;10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three ...and input values for each of the coefficients. EQN F F 1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and Cubic Equations
Quadratic Equation...
User Guide - Page 28
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 tions noted nearby.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to perform statistical calculations using standard deviation. To recall this type of data input up to that point...
User Guide - Page 29
... 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 . • You can also input multiple entries of the same data us- Ed i t OFF ESC
1
2
27 If you input multiple entries of the same data using [ and...
User Guide - Page 30
...display or edit individual data items any of regression you want to perform statistical calculations using regression. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use...delete data you want to display or edit any longer after...registering the value you want to use.
1 (Lin) : Linear regression 2 (Log) : Logarithmic regression...
User Guide - Page 37
... store values (numeric stack) and commands (command stack) according to perform a calculation that is so complex that is required when the calculation includes a high-priority Type A function, or power or root operations. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS only)
• Example:
1
23
45
123 4
56 7
Numeric Stack 12 23...
User Guide - Page 40
... 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.
Power Supply (fx-... power off.
Replace the battery as soon as possible when display figures become large.
Screw
38
Continued use of the calculator indicate that
hold the back cover in place
and then remove...
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