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 picoma on October 17th, 2013
How To Calculate Log2 In 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
...displays and illustrations (such as key markings) shown in this manual. Batteries
• After removing the battery from the calculator..., put it in personal injury or material damage if ignored. Disposing of the Calculator
• Never dispose of the calculator...handy for this calculator in this calculator. If accidentally swallowed... not get into the calculator. • Remove the...
User Guide - Page 5
...the calculator.
...fx-95MS/fx-100MS. A dead battery can cause discoloration or deformation of the calculator's case, and damage to and malfunction of the calculator...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... In no event shall CASIO Computer Co., Ltd. only, 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
Before getting started... 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 more than three digits.
A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7
k ...
User Guide - Page 10
... hold 79 "steps." Setup screens are described in the sections of this manual where they are actually used for more information about using the g key.
8 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 the...
User Guide - Page 11
... the number or function 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 normal cursor from one...
User Guide - Page 13
... decimal point, comma separator 2(Comma): Comma decimal point, period separator
k Initializing the Calculator
• Perform the following key operation when you want to initialize the calculation mode and setup, and clear replay memory and variables. Disp
1
• Display the selection screen.
fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to...
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...; You can use .
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13
Disp
1
• Display the selection screen.
User Guide - Page 20
...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 ... 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 use. (90° = π radians = 100 grads) ...
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. k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088 ҂103 (km)
56088 =...
User Guide - Page 28
...(Stat clear)
55 S n= SD
1.
Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter...fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to perform statistical calculations...:
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...
User Guide - Page 30
..., Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you want to use.
1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) : Exponential regression r 1 (Pwr) : Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression
28 REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones...
User Guide - Page 37
...; 2 3 4ѿ 5҂
6 7ѿ
35 Example: ( -2)4 = 16
-24 = -16
k Stacks
This calculator uses memory areas, called "stacks," to temporarily store values (numeric stack) and commands (command stack) according to left to two levels of the matrix stack.
* fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from...
User Guide - Page 40
... A i to turn power off. Power Supply (fx-95MS only)
Users of other models should refer to become large. (This is also true of internal consecutive calculations that are performed in the case of ^(xy), ... battery power is low. * 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
...display of fx-115MS.
39
Specifications (fx-95MS only)
Users of the fx-912MS should refer to the same model.
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... Off
Calculator power automatically turns off . When this happens, press 5 to the description of flashing cursor...
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