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 pelly2cru on June 16th, 2014
How To Find Inverse Of A Matrix In Fx-991ms
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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 4
...creating the risk of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this calculator in personal injury or material damage if ignored. Caution
This ... and can create the risk of the calculator by incineration.
• Misuse of batteries can cause certain components to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only...
User Guide - Page 5
... , it might be liable to anyone for the fx-95MS/fx-100MS. A dead battery can cause slow display response, total failure of the display, and shortening of these materials by any kind whatsoever... 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
... 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 Function Calculations .......... 18
kTrigonometric/Inverse Trigonometric Functions...
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
... line shows the result. Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. 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...
User Guide - Page 11
... the cursor positioned at the location where the error occurred.
9 Pressing [ again back steps sequentially (new-to-old) through past calculations.
• Pressing the e or r key while a replay memory calculation is on the display inserts the input at the insert cursor position.
• Pressing A K, or = returns to the editing screen.
• Pressing the...
User Guide - Page 12
... add 2 + 3 and then multiply the result by 4
2 + 3 p \ g - 4 = 2+3
5.Disp
= Ans×4 20. In the case of decimal values, you reach the exponential display format setup screen shown below.
k Exponential Display Formats
This calculator can select between two formats that appears, press 1 to 10 digits.
On the format selection screen that determine at what point...
User Guide - Page 13
Disp
1
• Display the selection screen. COMP F 1 • Negative values inside of times until you
want to perform basic calculations. 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 initialize the calculation mode and setup, and clear replay memory and variables. ting, press the F key a number of calculations must be ...
User Guide - Page 14
uDecimal ↔ Fraction Conversion
• Use the operation shown below to convert calculation results between decimal values and fraction values.
• Note that mix fraction and decimal values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer + numerator + denominator + separator marks) exceeds 10.
• Example 1: 2 ѿ...
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
...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), press the F key a number...
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
...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 ...the F key to enter the EQN Mode when you want to three unknowns.
k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088 ҂103...
User Guide - Page 28
... memory.
• Input data using the key sequence shown below.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to that point is used to perform statistical calculations using standard deviation. 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 (σ...
User Guide - Page 30
... items any longer after perform either the following operations. 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 type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you...
User Guide - Page 37
... power or root operations. The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to their precedence during calculations. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS only)
• Example:
1
23
45
123 4
56 7
Numeric Stack 12 23 34 45 54
Command Stack 1҂...
User Guide - Page 40
Power Supply (fx-95MS only)
Users of the calculator indicate that
hold the back cover in place
and then remove...display figures become large.
Screw
38 This calculator is also true of internal consecutive calculations that are cumulative and may become dim. * For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation ...
User Guide - Page 41
... to the same model. u Auto Power Off
Calculator power automatically turns off . Specifications (fx-95MS only)
Users of other models should refer to the "User's Guide 2 (Additional Functions)."
Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of the fx-912MS should refer to the description of...
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