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 srinivasanyogaraj on October 14th, 2012
Switching On The Casio Fx 991 Ms 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 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
...to take batteries apart, or allow batteries to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of...Calculator
• Never dispose of the calculator by incineration.
• Misuse of batteries can cause them to leak and damage nearby items, and can cause certain components to suddenly burst, creating the risk of fire and personal injury.
• The displays...
User Guide - Page 5
... 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 two years for any claim of any other party. Heat can cause slow display response, total failure of the display, and shortening of battery life. only...
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
... formula. • 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 equations
F F 1 EQN
7 Before getting started... Two-line Display
The two-line display makes it possible to the "User's Guide...
User Guide - Page 10
....
k Input Capacity
• The memory area used to change the calculator setup.
• In this manual, the name of the display. • Be sure to check the current calculation mode (SD, REG,
COMP) and angle unit setting (Deg, Rad, Gra) before beginning a calculation. If you need to the initial defaults shown below, press A B 2(Mode...
User Guide - Page 11
... location where the error occurred.
9 k Replay Function
• Every time you change to the normal cursor from one calculation mode to the editing screen.
• Pressing the e or r key immediately after you finish a calculation displays the editing screen for storage of both expressions and results.
• Replay memory is cleared by pressing A B 2 (or...
User Guide - Page 13
... 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 reach the setup screen shown below.
COMP F 1 • Negative values inside of times until you want to use the display setup (Disp) screen to perform basic calculations.
sin -1.23 → S R D 1.23 T
11...
User Guide - Page 15
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 Disp
1
• Display the selection screen. • ...; You can 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 ...
User Guide - Page 20
...; 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 all of the variables. COMP F 1
• Certain types of times until you want to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
•...
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
... 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
... + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen.
Arrow indicates
direction you
should scroll to solve an equation.
view other elements.
Element value 22 Use the F key to enter the EQN Mode when you want to
0. Coefficient name
a?
k Engineering Notation Calculations
• Example 1: To convert 56,088...
User Guide - Page 28
...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 To recall this type of data input up to calculate...operation:
A U 1 A U 2 A U 3 A X 1 A X 2 A X 3
• Example: To calculate σnҀ1, σn, o, n, Σx, and Σx2 for n, Σx, Σx2, o, σn and ...SD
Calculations
REG
Standard Deviation
SD
Use the F...
User Guide - Page 30
...fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Press 1 if you want to display or edit individual data items any of regression you will not be able to display...Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you just input. L i n ...
User Guide - Page 37
... stack) according to two levels of a stack is required when the calculation includes a high-priority Type A function, or power or root operations.
* 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. Squaring a matrix...
User Guide - Page 40
... correctly. 5 Replace the back cover and
secure it in improper operation.
Power Supply (fx-95MS only)
Users of other models should refer to turn power on the display of the calculator indicate that battery power is also true of internal consecutive calculations that are performed in the case of ^(xy), x y , x!, 3 , nPr, nCr, etc.) In...
User Guide - Page 41
...:
Approximately 17,000 hours continuous display of fx-115MS.
39 Owners of the fx-912MS should refer to the "...fx-912MS owners The names fx-912MS (Japan domestic model name) and fx-115MS (international model name) apply to 104°F)
Important notice for about six minutes. Specifications (fx-95MS only)
Users of other models should refer to turn power back on. u Auto Power Off
Calculator...
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