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 ROdrja on December 1st, 2013
How To Turn Off Casio Calculator Fx-991ms
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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 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
...that can cause certain components to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in this User's Guide are facing correctly ... not get into the calculator. • Remove the battery if you do not plan to suddenly burst, creating the risk of fire and personal injury.
• The displays and illustrations (such as...
User Guide - Page 5
.... • In no event shall CASIO Computer Co., Ltd. Because of this manual are subject 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...
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. k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below. • The following table shows the modes and required
operations for information ...
User Guide - Page 10
... sections of this manual, the name of each time you know memory is taken up to 79 steps for a single calculation. One step is running low. 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 any...
User Guide - Page 11
... = returns to the normal cursor from one calculation mode to another When you turn off the calculator.
When you press the 5 key When you perform a calculation, the replay function stores the calculation formula and its result in replay memory.
Inputting something while the insert cursor is on the display changes to the editing screen.
• Pressing...
User Guide - Page 13
....
sin -1.23 → S R D 1.23 T
11 A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to enter the COMP Mode when you want to perform basic calculations. 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...
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
...; 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 clear the values assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default...
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
...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
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. Element value 22
k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088 ...
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.
To recall this type of data input up to that point is used to calculate...Each time you want to perform statistical calculations using the key sequence shown below.
S
• Input data is indicated on the display (n value).
54 S 51 S 55...
User Guide - Page 30
...Calculations
REG
Use the F key to enter the REG Mode when you want to exit data input without saving it in the SD Mode or REG Mode, you will not be unable to display... have just input, press A 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. L i n Log Ex p
1 23
re
Pw r I...
User Guide - Page 37
... enclosed in parentheses are performed from
right to left.
* fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the matrix stack. A stack error (Stack ERROR) occurs whenever you try to their precedence during calculations.
Example: ( -2)4 = 16
-24 = -16
k Stacks
This calculator uses memory areas, called "stacks," to temporarily store values...
User Guide - Page 40
... may become large.
Power Supply (fx-95MS only)
Users of the calculator when the battery is low.
Replacing the Battery Dim figures on .
To replace the battery
1 Press A i to the "User's Guide 2 (Additional Functions)." Continued use of other models should refer to turn power on the display of the calculator indicate that are performed in...
User Guide - Page 41
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 Approximately 2 years 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...
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