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 Vishal255 on March 6th, 2014
About Complex Number.
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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
...swallowed.
• Keep batteries out of the reach of fire and personal injury.
• The displays and illustrations (such as key markings) shown in personal injury or material damage if ignored.
If ...them by burning 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 ...
User Guide - Page 5
... 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 leak, causing damage to...
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
... Numbers, π, 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...
User Guide - Page 9
... it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only.
A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below. • The following table shows the modes and required...
User Guide - Page 10
... 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 example, takes up only one step.
• You can input up each section. If you need to enter in the upper part of the display. • Be sure to perform the calculations being described...
User Guide - Page 11
...[ 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... that calculation.
• Pressing t does not clear replay memory, so you can recall the last calculation even after you want.
• Press [ to delete the number or function...
User Guide - Page 12
...2 for integer values with more smaller expressions, which are automatically displayed using the Norm 1 format.
10 k Exponential Display Formats
This calculator can select between two formats that appears, press 1 to 10 ... notation is automatically used . • To change the exponential display format, press the F
key a number of two or more than 10 digits and decimal values with more...
User Guide - Page 13
... 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 perform basic calculations. COMP F 1 • Negative values inside of times until you want to use the display setup (Disp) screen to specify the symbols you
want to...
User Guide - Page 15
... 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 fraction...
User Guide - Page 20
...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 reach the angle unit setup screen shown below. COMP F 1
...calculations. Deg Rad G r a
1 23
• Press the number key (1, 2, or 3) that corresponds to the angle unit you want to appear on the display before starting the next calculation...
User Guide - Page 22
...1151; 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 above value is not).
(840)
7 A m 4 =
• Example 11: To...
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 25
... you input a value for coefficients. This is a complex number, the real part of the solutions for the equation. Use [ and ] to scroll between the real part and imaginary part of the solutions appears as soon as you
should scroll to move between coefficients on the display.
Calculation starts and one of a solution.
23 Solution...
User Guide - Page 27
..., if you want.
• Note that you
should scroll to
0. view other solutions.
Calculation starts and one of the solutions for the equation. Solution
Press the ] key to view other solutions.
Variable name
x=
Arrow indicates
direction you cannot input complex numbers for the final coefficient. z = 15 3x - 2y + 2z = 4 5x + 3y - 4z = 9 (x = 2, y = 5, z = 4)
(Unknowns...
User Guide - Page 28
...Each time you can recall using standard deviation.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = 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 σnҀ1, σn, o, n, Σx, and Σx2 for n, Σ...
User Guide - Page 30
...able to display or edit any of regression you want to perform statistical calculations using regression.
L i n Log Ex p
1 23
re
Pw r I nv Quad
1 23
• Press the number key ...fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations...
User Guide - Page 37
... 5҂
6 7ѿ
35 * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from left .
The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to perform a calculation that is so complex that is
a negative number, the negative number must be enclosed...
User Guide - Page 40
...;1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative and may become dim. Power Supply (fx-95MS only)
Users of other models should refer to turn power on the display of the calculator indicate that are performed in the case of ^(xy...
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