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!
Current Answers
Answer #1: Posted by online24h on June 6th, 2014 1:02 PM
online24h
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March 28th, 2014 Points: 531,660
Member since:
March 28th, 2014 Points: 531,660
Hope this will be helpful "PLEASE ACCEPT"
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 4
...calculator, put it 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...8226; The displays and illustrations (such as key markings) shown in this User's Guide are facing correctly when you load it . Keep this calculator. Caution
This symbol is used to indicate ...
User Guide - Page 5
... 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 any claim of any kind whatsoever against the use of these materials by any other party. Very low temperatures can cause slow display response, total failure of the display...
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
..., press A B 2(Mode) =. Setup screens are described in the sections of this manual where they are actually used for calculation input can use in the upper part of any calculation, the cursor changes from "_" to "k" to let you press a number key or arithmetic operator key A A or p key operation does not take up a step, so inputting A D, for...
User Guide - Page 11
... press t.
• Replay memory capacity is 128 bytes for storage of the calculation you want.
• Press [ to delete the number or function at the current cursor position.
• Press A K to change from the insert cursor.
Pressing the [ key displays the formula and result of both expressions and results.
• Replay memory is...
User Guide - Page 12
... shown below. u Norm 2 With Norm 2, exponential notation is automatically used . • To change the exponential display format, press the F
key a number of the examples in this manual show calculation re- On the format selection screen that appears, press 1 to 10 digits. k Exponential Display Formats
This calculator can select between two formats that determine at what point...
User Guide - Page 13
... set-
COMP F 1 • Negative values inside of times until you
want to perform basic calculations. 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 specify the symbols you want to enter the COMP Mode...
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 (integer...
User Guide - Page 15
...) 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 reach the setup screen shown below. fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use.
1(ab/c): Mixed fraction...
User Guide - Page 17
... 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 a number of significant...
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-
Memory Calculations COMP
Use the F key to enter the COMP Mode when you want to perform a calculation using the specified number of decimal places.
200 \ 7 =
28.57100
(Internal rounding)
A Q
28.57100
- 14...
User Guide - Page 19
... input directly into memory, added to Ans, indicating it is the value that is currently stored in an error. k Consecutive Calculations
• You can use the calculation result that is currently on the display (and also stored in Answer Memory) as the first value of the above key operations results in Answer Memory.
•...
User Guide - Page 20
....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 perform basic arithmetic calculations. This operation deletes the data assigned to variable A. • Perform... a
1 23
• Press the number key (1, 2, or 3) that corresponds to appear on the display before starting the next calculation.
• π = 3.14159265359
...
User Guide - Page 22
...using the numbers 1 through 7
• Numbers cannot be organized in the case of 10 individuals (210)
10 n* 4 =
20 k Square Roots, Cube Roots, Roots, Squares, Cubes, Reciprocals,
Factorials, Random Numbers...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 ...
User Guide - Page 23
... the value of y.
• Example 2: To convert rectangular coordinates (1, 3) 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 r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to polar coordinates (r,...
User Guide - Page 28
...; Input data is used to that point 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 Each time you press S to register your input, the number 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 σnҀ...
User Guide - Page 30
..., Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you just input. REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below.... p
1 23
re
Pw r I nv Quad
1 23
• Press the number key (1, 2, or 3) that corresponds to display or edit any longer after perform either the following operations.
User Guide - Page 37
... negative number must be enclosed within parentheses.
The numeric stack has 10 levels and the command stack has 24 levels. The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to their precedence during calculations. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS...
User Guide - Page 40
... the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative in the case of consecutive calculations, which can also cause them to become large. (This is also true of internal consecutive calculations that are cumulative and may become dim. This calculator is low. Continued use of inflection, errors are...
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