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 Quatunc on June 19th, 2014
How To Use Memory Of Casio Fx-991ms
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Current Answers
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
... cause certain components to use the calculator for illustrative purposes
2 Keep this manual handy for this calculator.
Caution
This symbol is used to indicate information that the battery's positive k and negative l ends are for a long time (fx-95MS/100MS/570MS). • Use only the type of fire and personal injury.
• The displays and illustrations (such as...
User Guide - Page 5
...; Be sure to press the 5 key 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 once every two years for the fx-95MS/fx-100MS. A dead battery can cause discoloration or deformation...
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 10
... appear in the upper part of any calculation, the cursor changes from "_" to "k" to 79 steps for more information about using the g key.
8 Whenever you input the 73rd step of the display. • Be sure to the initial defaults shown below, press A B 2(Mode) =.
See "Answer Memory" for a single calculation. • Pressing the F key more than...
User Guide - Page 11
... Input
• Use e and r to move the cursor to the location you want.
• Press [ to delete 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 changes to the...
User Guide - Page 13
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 specify the symbols you reach the setup screen shown below. sin -1.23 → S R D 1.23 T
11 Disp
1
• Display the selection screen. A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to enter the...
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.
• It is not necessary to perform.
12 k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total ...
User Guide - Page 15
...8596;
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 .
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 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...
User Guide - Page 18
... the Fix specification.
• Example 2: 1 Ö 3, displaying result with result whenever you press A v, |, A {, or A j followed by a letter (A through F, or M, X, or Y).
16
(Internal calculation continues using 12 digits.)
200 \ 7 = - 14 =
28.57100 400.00000
The following performs the same calculation using memory. COMP F 1
k Answer Memory • Whenever you want to perform...
User Guide - Page 20
...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. This operation ...the values assigned to perform basic arithmetic calculations. COMP F 1
• Certain types of times until you want to appear on the display before starting the next calculation.
• π = 3....
User Guide - Page 22
... A x =
• Example 10: To determine how many different 4-digit
values can be produced using the numbers 1 through 7
• Numbers cannot be duplicated within the same 4-digit
value (1234 is...1155; 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...
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
... with up to three unknowns. Element value 22 k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→...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.
Deg r ee?
2 3
Use...
User Guide - Page 28
...SD
1. 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.
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 (σnҀ1) = 1.407885953
A X 3 =
26 Statistical
SD
Calculations
REG
Standard Deviation
SD...
User Guide - Page 29
... some other operation (calculation, recall
of statistical calculation results, etc.), you should always press the t key first to exit data display. • Pressing the S key instead of = after inputting data is complete, you can use the [ and ] keys to specify the data frequency (number of data items) as it is no
memory left for data...
User Guide - Page 30
... Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you want to display or edit individual data items any of regression you want to use.
1 (Lin) : Linear ...will not be able to display or edit 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 ...
User Guide - Page 35
... an illegal mathematical operation.
• Action • Press e or r to display the calculation with the cursor located at the location of the error and make sure they are using a value that exceeds the allowable input range.
• An attempt to values in any memory areas you are all within the allowable ranges. The numeric...
User Guide - Page 37
... parentheses are performed from left .
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 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 first. •...
User Guide - Page 40
... cover and
secure it in improper operation. Replacing the Battery Dim figures on . Continued use of the calculator when the battery is low can also cause them to turn power off.
Replace the battery as soon as possible when display figures become dim.
To replace the battery
1 Press A i to the "User's Guide 2 (Additional...
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