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 ekbursb on March 2nd, 2014
How To Find Inverse Of A Matrix Using Fx-991ms Calculator
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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 4
...calculator, put it will not get into the calculator. • Remove the battery if you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of fire and personal injury.
• The displays...that the battery's positive k and negative l ends are for this calculator in this calculator. Never expose batteries to direct heat or dispose of them to ...
User Guide - Page 5
... of the display, and shortening of this unit discharges slightly during shipment and storage. 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
... 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 Function Calculations .......... 18
kTrigonometric/Inverse Trigonometric Functions...
User Guide - Page 9
... the modes and required
operations for information about modes and their selection. Before getting started... 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
...:
COMP Deg Norm 1 ab/c Dot
• Mode indicators appear in the sections of any calculation, the cursor changes from "_" to "k" to input more than twice displays additional setup screens. k Input Capacity
• The memory area used to change the calculator setup.
• In this manual, the name of the mode you need to let...
User Guide - Page 11
... [ again back steps sequentially (new-to-old) through past calculations.
• Pressing the e or r key while a replay memory calculation is 128 bytes for that calculation.
• 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...
User Guide - Page 12
....
10
On the format selection screen that determine at what point exponential notation is used. • To change the exponential display format, press the F
key a number of times until you can display up of the examples in this manual show calculation re-
F i x Sc i No r m
1 23
• Press 3. u Norm 2 With Norm 2, exponential notation is automatically...
User Guide - Page 13
... below. 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. • To change the decimal point and separator symbol set- A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the...
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 format, press the q key a number of times until you reach the setup screen shown...
User Guide - Page 17
...
• Example 2: To perform the following calculation: 12°34'56" ҂ 3.45 12 I 34 I 56 I - 3.45 = 43°24°31.2
k FIX, SCI, RND
• To change the settings for the number of decimal places, the number of significant digits, or the exponential display format, press the F key a number of significant...
User Guide - Page 20
... result to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change... basic arithmetic calculations. 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 ...
User Guide - Page 22
...1151; 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! &#...=
• Example 10: To determine how many different 4-digit
values can be produced using the numbers 1 through 7
• Numbers cannot be duplicated within the same 4-digit
...
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
...
a? 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. view other elements.
Arrow indicates
direction you
should scroll to three unknowns. Element value 22
k Engineering Notation Calculations
•...
User Guide - Page 28
...)
55 S n= SD
1.
tions noted nearby.
Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you want to clear statistical memory.
• Input data using the key sequence shown below. S
• Input data is used to that point is indicated on the display (n value).
54 S 51 S 55 S 53 S S 54...
User Guide - Page 30
.... REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Press 2 to exit data input without saving it in the SD Mode or REG Mode, you will not be unable to display or edit individual data items any of regression you want to perform statistical calculations using regression...
User Guide - Page 33
... at 1000 hPa = 4.642857143
1000 A X r r r 1 =
Coefficient of regression.
• The following shows the regression formulas for yi = 20.
A X r 1 F \ E A U 3 , 1 F =
u Logarithmic, Exponential, Power, and Inverse Regression
• Use the same key operations as linear regression to de-
29
1.6 termine the regression formula terms
for the data nearby. Logarithmic Regression y ҃...
User Guide - Page 37
...must be enclosed within parentheses. * 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 the matrix stack. The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to two levels of...
User Guide - Page 40
... use of the calculator when the battery is low can also cause them to become large. (This is also true of internal consecutive calculations ...calculations, which can result in place with the six screws. 6 Press 5 to turn power off. Screw
38 Power Supply (fx...is low.
Replacing the Battery Dim figures on the display of the calculator indicate that
hold the back cover in place
and then...
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