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-153316 on August 4th, 2015
How Did I Repaire It If It Is Broken.
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Current Answers
Answer #1: Posted by waelsaidani1 on August 4th, 2015 4:17 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,797
Member since:
May 12th, 2013 Points: 19,501,797
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
... use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in a safe place where it will not get into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach of fire and personal injury.
• The displays and...
User Guide - Page 5
... Moreover, CASIO Computer Co., Ltd. Very low temperatures can cause slow display response, total failure of the display, and shortening of battery life. Because of this manual are subject to ...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...
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
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. Users of equations
F F 1 EQN
7
Before getting started... 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...
User Guide - Page 10
... cursor changes from "_" to "k" to the initial defaults shown below, press A B 2(Mode) =. • Pressing the F key more information about using the g key.
8
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 upper part of the mode you need...
User Guide - Page 11
... to the editing screen.
• Pressing the e or r key immediately after you finish a calculation displays the editing screen 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.
• Pressing A K, or = returns...
User Guide - Page 13
... setup screen shown below. COMP F 1 • Negative values inside of times until you
want to perform basic calculations. ting, press the F key a number of calculations must be enclosed within parentheses. Disp
1
• Display the selection screen.
fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to
the setting you want to...
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...
User Guide - Page 20
...
• Certain types of calculations may take a long time to complete.
• Wait for the result to appear on the display before starting the next calculation.
• π ...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 use. (90° = π radians = 100 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 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
...grams to milligrams
→ 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you want to solve an equation.
Use the F key to enter the... 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...
User Guide - Page 28
..., 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1.
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 Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you press S to register...
User Guide - Page 30
... regression r 3 (Quad) : Quadratic regression
28
If you do this, however, you want to display or edit individual data items any of regression you want to perform statistical calculations using regression. REG F 3 (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...
User Guide - Page 37
...
a negative number, the negative number 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 a stack is exceeded. • Matrix calculations use up to two levels of the matrix stack. exIn 120...
User Guide - Page 40
.... 5 Replace the back cover and
secure it in improper operation.
Power Supply (fx-95MS only)
Users of other models should refer to the "User's Guide 2 (Additional Functions)."
To replace the battery
1 Press A i to turn power on the display of the calculator indicate that are performed in the case of ^(xy), x y , x!, 3 , nPr, nCr, etc...
User Guide - Page 41
... refer to 104°F)
Important notice for about six minutes. u Auto Power Off
Calculator power automatically turns off . Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of fx-115MS.
39 Specifications (fx-95MS only)
Users of other models should refer to turn power back on. When...
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