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 JBrmethe on February 18th, 2014
How To Use Memory Function Of A Scientific Calculator Casio 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
... purposes
2 Batteries
• After removing the battery from the calculator, put it in this calculator in a safe place where it will not get into the calculator. • Remove the battery if you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this manual...
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 kind whatsoever against the use of the calculator. Because of this manual are subject to change without notice. • In no event shall CASIO Computer Co., Ltd. Never leave a dead battery in...
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 Function...
User Guide - Page 9
...-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 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.
Before getting started...
User Guide - Page 10
... the sections of this manual where they are actually used for a single calculation. Setup screens are described in a subsequent calculation.
k Input Capacity
• The memory area used to change the calculator setup.
• In this manual, the name of each time you input the 73rd step of the display. • Be sure to input more than twice...
User Guide - Page 11
...r or e after you perform a calculation, the replay function stores the calculation formula and its result in replay memory. k Replay Function
• Every time you press t.
• Replay memory capacity is 128 bytes 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...
User Guide - Page 13
ting, press the F key a number of calculations must be enclosed within parentheses. 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 want to initialize the calculation mode and setup, and clear replay memory and variables. COMP F 1 •...
User Guide - Page 15
Disp
1
• Display the selection screen.
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 format, press the q key a number of times until you...
User Guide - Page 16
...Memory value into a variable and then use *the current Answer
Memory value in a mark up /discount calculation. How about to 48? (15%, 20%) 46 , 40 A v e e e e e e 8 =
14 This is because the calculation performed when v is pressed stores a result to Answer Memory...while the d/c display format is the percentage
increase in the mark up or discount calculation, you want to use the variable in...
User Guide - Page 18
...Press F ..... 3(Norm) 1 to clear the Fix specification.
• Example 2: 1 Ö 3, displaying result with result whenever you press = after inputting values or an ex- (Internal calculation continues using 12 digits.)
200 \ 7 = - 14 =
28.57100 400.00000
The following performs the same calculation using memory. Memory Calculations COMP
Use the F key to enter the COMP Mode when you want...
User Guide - Page 19
... the displayed value to change to memory, or subtracted from memory. • You can recall Answer Memory contents by any of your next calculation.
k Independent Memory
• Values can use the calculation result that is convenient for the exponent. • Answer Memory contents are nine variables (A through F, M, X and Y), which can be used with a subsequent Type A function (x2...
User Guide - Page 20
...to the angle unit you want 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,... 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 22
...
3 A x =
• Example 10: To determine how many different 4-member groups can be produced using the numbers 1 through 7
• Numbers cannot be organized in the case of 10 individuals (210)...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 =
• ...
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 28
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 value:
Σx2 Σx n o σn σn-1
Perform this key operation:
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, Σ...
User Guide - Page 30
...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 want to use.
1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) ... • 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...
User Guide - Page 35
...; 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 perform a function calculation using . Press t to clear the error, or press e or r to values in any memory areas you are all within...
User Guide - Page 37
...16
k Stacks
This calculator uses memory areas, called "stacks," to temporarily store values (numeric stack) and commands (command stack) according to left to right. • Operations enclosed in parentheses are performed from
right 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...
User Guide - Page 40
... power off. Power Supply (fx-95MS only)
Users of the calculator when the battery is low. Screw
38
Continued use of other models should refer to turn power on the display of the calculator indicate that are performed in the case of ^(xy), x y , x!, 3 , nPr, nCr, etc.) In the vicinity of a function's singular point and point of...
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