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 manasrajpoot on December 30th, 2012
Battery Life
Dear Sir / Madam.
What is life of Casio fx-991MS calculator?
Current Answers
Related Casio fx 991MS Manual Pages
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
... use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this User's Guide are facing correctly when you load it into the hands of small children and accidentally swallowed.
• Keep batteries out...
User Guide - Page 5
... for the fx115MS/fx-570MS/fx-991MS, or at least once every two years for any claim of any other party. be exposed to very high temperatures. Moreover, CASIO Computer Co., Ltd. only, and may require replacement sooner than the normal expected battery life.
• Low battery power can cause discoloration or deformation of the calculator's case, and...
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
... than three digits. Before getting started... A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7
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...
User Guide - Page 10
... input can hold 79 "steps." Example: Equation
Calculations
EQN
Note!
• To return the calculation mode and setup to check the current calculation mode (SD, REG,
COMP) and angle unit setting (Deg, Rad, Gra) before beginning a calculation. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode...
User Guide - Page 11
... sequentially (new-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 location where the error occurred.
9
User Guide - Page 12
... format selection screen that appears, press 1 to 10 digits.
u Norm 2 With Norm 2, exponential notation is made up to select Norm 1 or 2 for Norm 2.
k Exponential Display Formats
This calculator can select between two formats that determine at what point exponential notation is automatically used for integer values with more than 10 digits and...
User Guide - Page 13
... the decimal point and separator symbol set- sin -1.23 → S R D 1.23 T
11 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 perform basic calculations.
COMP F 1 • Negative values inside of times until you want to specify the...
User Guide - Page 14
...
• Values are always decimal.
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...
User Guide - Page 15
Disp
1
• Display the selection screen. fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or ...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 change the fraction display format, press the q key a number of times until you want to
the setting you...
User Guide - Page 20
...time to complete.
• Wait for the result to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
&#...; 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 use. (90° = π radians = 100 grads) 2 18 particular variable: 0 A j 1.
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
... equations with up to three unknowns. k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to...81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you
should scroll to
0. Use the F key...values for each of the coefficients.
Element value 22
EQN F F 1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and Cubic Equations
Quadratic Equation: ax2...
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 that point is used to calculate...Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you want to perform statistical calculations using the key sequence shown below.
SD F 2 (fx-95MS)...
User Guide - Page 30
...8226; 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.
Press 2 to exit data...display or edit individual data items any longer after perform either the following operations. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations...
User Guide - Page 37
... an argument that the capacity of a stack is required when the calculation includes a high-priority Type A function, or power or root operations. 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
... place with the six screws. 6 Press 5 to become large. (This is also true of internal consecutive calculations that battery power is low. Power Supply (fx-95MS only)
Users of other models should refer to turn power on the display of the calculator indicate that are cumulative and may become dim.
Screw
38
To replace the...
User Guide - Page 41
...Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of other models should refer to the "User's Guide 2 (Additional Functions)." Dimensions: 19.5 (H) i 78 (W) i 155 (D) mm 3/4Љ (H) ҂ 31/16Љ (W) ҂ 61/8Љ (D)
Weight:
130 g (4.6 oz) including battery
Power Consumption: 0.0002 W
Operating Temperature...
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