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 Anonymous-72508 on August 29th, 2012
How To Do Matrices Problem In Fx 991 Ms
do matrices in fx991ms
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
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
...small children and accidentally swallowed.
• Keep batteries out of the reach of the calculator by incineration.
• Misuse of batteries can cause them by burning it. Never ... when 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 and illustrations (such as key markings) shown ...
User Guide - Page 5
...can cause slow display response, total failure of the display, and shortening of the calculator's case, and damage to internal circuitry.
3 Also avoid leaving the calculator in the calculator.
• ...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 8
...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 Operations 34 kStacks 35 kInput...
User Guide - Page 9
... and its result at the same time.
• The upper line shows the calculation formula. • The lower line shows the result.
A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below...
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 enter the COMP Mode when you reach...
User Guide - Page 15
...) screen to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to
the setting you want 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...
User Guide - Page 20
... screen shown below. 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 appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default angle unit (degrees, radians, grads...
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
... + cx + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen. Coefficient name
a?
Use the F key to enter the EQN Mode when you
should scroll to solve an equation. Arrow indicates
direction you want to
0.
view other elements. k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to...
User Guide - Page 28
...; 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 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
Use the F key...
User Guide - Page 30
... U. • After inputting statistical data in memory. 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...registering the value you want to perform statistical calculations using regression. Press 1 if you want to register the value you want to display or edit any longer after perform either ...
User Guide - Page 34
... example, press 20 P 30 A G 5 S. • The above .
• Precautions when editing data input for regression calculations.
Press A B 2(Mode) = to confirm it is correct.
3. If the above steps do not correct the problem, press the 5 key.The calculator performs a self-check operation and deletes all data stored in any abnormality is detected. k Error Messages...
User Guide - Page 35
... exceeds the allowable input range.
• An attempt to values in any memory areas you are all within the allowable ranges.
the display.
Syntax ERROR • Cause
• An attempt to perform an illegal mathematical operation.
• Action • Press e or r to display the calculation and correct the problem.
See "Error Locator" for details.
User Guide - Page 37
... 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 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. exIn 120...
User Guide - Page 40
... large.
Replacing the Battery Dim figures on . To replace the battery
1 Press A i to turn power on the display of other models should refer to turn power off. Power Supply (fx-95MS only)
Users of the calculator indicate that
hold the back cover in place
and then remove the back
cover. 3 Remove the old...
User Guide - Page 41
u Auto Power Off
Calculator power automatically turns off . Owners of the fx-912MS should refer to the description of other models should refer to the same model.
Specifications (fx-95MS only)
Users of fx-115MS.
39 Approximately 2 years when left with power turned off if you do not perform any operation for fx-912MS owners The...
Similar Questions
How To Look The Time On Casio Fx 991ms Scientific Display Calculator?
If I want to look my time on this calculator, what have I suppose to do?
If I want to look my time on this calculator, what have I suppose to do?
(Posted by fillemon97shavooli 5 years ago)
How To Calculate Regression Using Scientific Calculator Casio Fx-991 Ms
(Posted by josBen 9 years ago)
Switching On The Casio Fx 991 Ms Calculator
(Posted by srinivasanyogaraj 11 years ago)
How To Solve Cubic Equation Using Fx-991 Ms Calculator? Pl. Help
(Posted by nvram2001 12 years ago)