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 Terrisha on July 26th, 2014
How To Solve The Complex Angle Casio Fx-991ms
The person who posted this question about this Casio product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
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
...Keep this User's Guide are facing correctly when you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of fire and personal injury. &#... dispose of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this calculator.
Safety Precautions
Be sure to read the following safety precautions before using...
User Guide - Page 5
...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 temperature extremes. Very low temperatures can cause slow display response, total failure of the display, and shortening of these materials.
Always keep written records of the calculator...notice. • In no event shall CASIO Computer Co., Ltd. Never leave a ...
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 9
... it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. Users of the mantissa has more than three digits.
A separator symbol is displayed every three digits when the integer part of other models should refer to view both the calculation formula and its result at the same time.
• The...
User Guide - Page 10
...defaults shown below, press A B 2(Mode) =.
Example: Equation
Calculations
EQN
Note!
• To return the calculation mode and setup to check the current calculation mode (SD, REG,
COMP) and angle unit setting (Deg, Rad, Gra) before beginning a calculation. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot...
User Guide - Page 13
...) screen to perform basic calculations. Disp
1
• Display the selection screen. k Decimal Point and Separator Symbols
You can use .
1(Dot): Period decimal point, comma separator 2(Comma): Comma decimal point, period separator
k Initializing the Calculator
• Perform the following key operation when you reach the setup screen shown below. fx-95MS:
1 r
Other Models: 1 r r
•...
User Guide - Page 15
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 Disp
1
• Display the selection screen. •...; You can 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 ...
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 (... arithmetic calculations. A B 1(Mcl) =
• Example: 193.2 Ö 23 ҃ 8.4
193.2 Ö 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 =
Scientific Function Calculations
COMP
Use...
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
... 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,) (Rad...
User Guide - Page 24
...mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you want to solve an equation. Use the F key to enter the EQN Mode when you solve equations up to three degrees and ...3 (cubic) as the degree of the equation, and input values for each of the coefficients. 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...
User Guide - Page 25
... t key at this point returns to the coefficient input screen.
• Certain coefficients can use the [ and ] keys to move between coefficients on the display. This is a complex number, the real part of the solutions appears as soon as you input a value for the final coefficient.
Variable name
x1=
Arrow indicates
direction...
User Guide - Page 26
...2 3
Use this screen to
view other
0. knowns, and input values for each of un- x1=
D
R⇔I
0.25
x1=
A r
D
R⇔I
0.75 i
• Example 2: To solve the equation 8x2 - 4x + 5 = 0 (x = 0.25 ± 0.75 i)
(Degree?) (a?) (b?) (c?) (x1 = 0.25 + 0.75i) (x2 = 0.25 - 0.75i)
2
8 ... + c2z = d2 a3x + b3y + c3z = d3
Entering the EQN Mode displays the initial simultaneous equation screen.
User Guide - Page 27
...Calculation starts and one of the solutions for the equation. Pressing the t key at this point returns to the coefficient input screen.
• Example: To solve... the following simultaneous equations 2x + 3y - Solution
Press the ] key to view other solutions. Use [ and ] to scroll between coefficients on the screen and make changes, if you want.
• Note that you cannot input complex...
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. tions noted nearby.
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...
User Guide - Page 30
... the type of the data you have input. • To delete data you have just input, press A U. • 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 2 to perform statistical calculations using regression.
User Guide - Page 36
... of Operations
Calculations are performed...;1, x!, ° ' " Engineering symbols* Normal distribution: →t * m, m1, m2, n Angle unit conversions (DRG') Metric conversions**
3 Powers and roots: ^ (xy), x 4 ab/c 5 Abbreviated...0 and* # xnor*, xor*, or*
34
• Action • Press e or r to display the location of the cause of π, e (natu-
ral logarithm base), memory name, or variable...
User Guide - Page 37
... the calculation includes a high-priority Type A function, or power or root operations.
Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS only)
• Example:
1
23
45
123 4
56 7
Numeric Stack 12 23 34 45 54
Command Stack 1҂ 2 3 4ѿ 5҂
6 7ѿ
35 * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS...
User Guide - Page 40
... Functions)."
Replace the battery as soon as possible when display figures become dim.
Screw
38 Power Supply (fx-95MS only)
Users of other models should refer to turn power on the display of the calculator indicate that battery power is also true of internal consecutive calculations that
hold the back cover in place
and then...
Similar Questions
How To Look The Time On Casio Fx 991ms Scientific Display Calculator?
If I want to look my time on this calculator, what have I suppose to do?
If I want to look my time on this calculator, what have I suppose to do?
(Posted by fillemon97shavooli 5 years ago)
How To Multiply Two Complex Number In 991ms
(Posted by grigr 10 years ago)
How To Solve Matrix In Casio 991ms
(Posted by giavd 10 years ago)
How To Solve Integral On Fx-9750gii
(Posted by SacRick 10 years ago)
How To Do Complex Number Problems In Casio 100ms Calculator?
(Posted by tahseenshafa 11 years ago)