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 kathikeyansm1 on August 21st, 2016
Broken
my calculator display was broken please give me a solution for repair it.
Current Answers
Answer #1: Posted by TheWiz on August 21st, 2016 1:32 PM
TheWiz
Member since:
October 13th, 2011 Points: 25,383,424
Member since:
October 13th, 2011 Points: 25,383,424
You'd be better off just buying a new calculator. You can buy this same one for $14.99 used on Amazon.
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 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
... small children and accidentally swallowed.
• Keep batteries out of the reach of the calculator by incineration.
• Misuse of batteries can cause them to leak and damage nearby ...
2 Never expose batteries 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) ...
User Guide - Page 5
...or deformation of the calculator's case, and damage to internal circuitry.
3 Moreover, CASIO Computer Co., Ltd. Heat can cause slow display response, total failure of the display, and shortening of ...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
... 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
.... • The lower line shows the result. 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 more than three digits.
A separator symbol is displayed every three digits when the integer part of equations...
User Guide - Page 10
...; You can hold 79 "steps."
k Input Capacity
• The memory area used to 79 steps for a single calculation. See "Answer Memory" for example, takes up each section. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode indicators appear in the main title of...
User Guide - Page 11
... from the insert cursor. Pressing [ again back steps sequentially (new-to-old) through past calculations.
• Pressing the e or r key while a replay memory calculation is cleared by pressing A B 2 (or 3) =. Inputting something while the insert cursor is on the display changes to the editing screen.
• Pressing the e or r key immediately after you finish...
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 ...; Negative values inside of times until you want to enter the COMP Mode when you want to perform basic calculations. Disp
1
• Display the selection screen.
sin -1.23 → S R D 1.23 T
11 k Decimal Point and Separator ...
User Guide - Page 15
... (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 shown below. fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to...
User Guide - Page 20
... 3) that corresponds to the angle unit you want to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
•...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 all of calculations may take a long time to complete.
• Wait for the...
User Guide - Page 22
... 10: To determine how many different 4-member groups can be produced using the numbers 1 through 7
• Numbers cannot be organized 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 above value...
User Guide - Page 23
... the value of y.
• Example 2: To convert rectangular coordinates (1, 3) 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 r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to polar coordinates (r,...
User Guide - Page 24
...;10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you
should scroll to
0.
Deg r ee?
2 3
Use this screen 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...
User Guide - Page 28
...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. tions noted nearby. To recall this type of data input up to that point is used to calculate... to perform statistical calculations using the key sequence shown below.
S
• Input data is indicated on the display (n value).
54...
User Guide - Page 30
... in memory. REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below.... If you do this, however, you want to the type of the data you have input. • To delete data you just input. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations...
User Guide - Page 37
... 34 45 54
Command Stack 1҂ 2 3 4ѿ 5҂
6 7ѿ
35 * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from left . exIn 120 → ex{In( 120)} • Other operations are performed first. • When a calculation contains an argument that the capacity of the matrix stack...
User Guide - Page 40
... become large. To replace the battery
1 Press A i to turn power on the display of other models should refer to turn power off.
* 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 cumulative and may become dim...
User Guide - Page 41
... when left with power turned off if you do not perform any operation for fx-912MS owners The names fx-912MS (Japan domestic model name) and fx-115MS (international model name) apply to the "User's Guide 2 (Additional Functions...
Battery Life:
Approximately 17,000 hours continuous display of fx-115MS.
39
Specifications (fx-95MS only)
Users of the fx-912MS should refer to the same model....
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