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 MOAWIYAKHAN on November 23rd, 2012
Conversion From Hex To Decimal In Fx-991
SIR HOW V CAN DO CONVERSIONS IN FX-991?
Current Answers
Related Casio fx 991MS Manual Pages
User Guide - Page 4
...calculator. • Remove the battery if you load it will not get into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach of battery specified for a long time (fx... allow batteries to become shorted.
Disposing of the Calculator
• Never dispose of fire and personal injury.
• The displays and illustrations (such as key markings) shown in...
User Guide - Page 5
... 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 the purchase or use and storage in the calculator.
• The battery that comes with or...
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
... 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 Operations 34 kStacks 35 kInput Ranges 36
Power Supply (fx...
User Guide - Page 9
...
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. Before getting started... Users of equations
F F 1 EQN
7 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 other...
User Guide - Page 10
.... • Pressing the F key more information about using the g key.
8 Example: Equation
Calculations
EQN
Note!
• To return the calculation mode and setup to 79 steps for a single calculation. 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...
User Guide - Page 12
... Norm 2, exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than nine decimal places. • All of the examples in this manual show calculation re-
k Exponential Display Formats
This calculator can display up of times until you can select between two formats that appears, press 1 to 10...
User Guide - Page 13
... and 3-digit separator. • To change the decimal point and separator symbol set- fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to
the setting you want to initialize the calculation mode and setup, and clear replay memory and variables. Disp
1
• Display the selection screen.
sin -1.23 → S R D 1.23 T
11...
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 always decimal.
k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number of digits of a fractional value (...
User Guide - Page 15
...4.00
1 • Example 2: 2 ↔ 0.5 (Fraction ↔ Decimal)
1 C 2 =
1 2.00
C
0.500
C
1 2.00
uMixed Fraction ↔ Improper Fraction
Conversion
• Example: 1
2 3
↔
5 3
1 C 2 C 3 =
1 2 3.00
A B
5 3.00
A B
1 2 3.00
• You can use the display setup (Disp) screen to specify the display format when a fraction calculation result is greater than one.
• To...
User Guide - Page 17
...; You can perform sexagesimal calculations using degrees (hours), minutes, and seconds, and convert between sexagesimal and decimal values.
• Example 1: To convert the decimal value 2.258 to a sexagesimal value and then back to change the settings for the number of decimal places, the number of significant digits, or the exponential display format, press the F key...
User Guide - Page 18
... memory. COMP F 1
k Answer Memory • Whenever you want to perform a calculation using the specified number of decimal places.
200 \ 7 =
28.57100
(Internal rounding)
A Q
28.57100
- 14 =
399.99400
• Press F ..... 3(Norm) 1 to clear the Fix specification.
• Example 2: 1 Ö 3, displaying result with result whenever you press A v, |, A {, or A j followed by storing...
User Guide - Page 20
... variable: 0 A j 1. A B 1(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...
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
... + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen.
Element value 22 Arrow indicates
direction you
should scroll to specify 2 (quadratic) or 3 (cubic) as the degree of the equation, and input values for each of the coefficients.
Coefficient name
a? k Engineering Notation Calculations
• Example 1: To convert 56,088...
User Guide - Page 28
... you can recall using the key opera- SD F 2 (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 values for n, Σx, Σx2, o, σn and σ...
User Guide - Page 30
... you want to register the value you just input. 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 36
...e (natu- • Action • Press e or r to display the location of the cause of precedence.
1 Coordinate transformation: Pol (x,...is pressed and then the value is pressed.
k Order of Operations
Calculations are performed in front of Type B functions: 2 3, Alog2, ... * m, m1, m2, n Angle unit conversions (DRG') Metric conversions**
3 Powers and roots: ^ (xy), x 4 ab/c 5 ...
User Guide - Page 40
... low. Power Supply (fx-95MS only)
Users of the calculator when the battery is low can also cause them to become large. (This is also true of internal consecutive calculations that are performed in ...Battery Dim figures on . * 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...
User Guide - Page 41
... refer to the same model. Specifications (fx-95MS only)
Users of fx-115MS.
39
Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of the fx-912MS should refer to turn power back on. Owners of flashing cursor. u Auto Power Off
Calculator power automatically turns off . When this...
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