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 kehindeakinbade on March 18th, 2013
How Can I Be Doing What You Are Doing
how can i be doing what you are doing
Current Answers
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 3
Removing and Replacing the Calculator's Cover
• Before starting .....1 Holding the cover as shown in the illustration, slide the unit out of the cover. • After you are finished .....2 ... illustration, slide the unit out of the cover. • Always slide the keyboard end of the unit into the cover
first. Never slide the display end of the unit into the cover.
.....1
.....2
1
User Guide - Page 4
... fire and personal injury.
• The displays and illustrations (such as key markings) shown in this User's Guide are facing correctly when you load 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...
User Guide - Page 5
...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 ... display response, total failure of the display, and shortening of battery life. be liable to anyone for the fx-95MS/fx-100MS. A dead battery can cause discoloration or deformation of the calculator's...
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
... 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 Information 32
kWhen you have a problem 32 kError Messages 32 kOrder of...
User Guide - Page 9
... at the same time.
• The upper line shows the calculation formula. • The lower line shows the result.
Two-line Display
The two-line display makes 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 the mantissa has...
User Guide - Page 10
... 79 steps for example, takes up only one step.
• You can hold 79 "steps." Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode indicators appear in a subsequent calculation. • Pressing the F key more than 79 steps, you press a number key or arithmetic...
User Guide - Page 11
...
• Pressing r or e after 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 positioned at the current cursor position.
• Press A K to change from the insert...
User Guide - Page 13
... the decimal point and separator symbol set- 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 reach the setup screen shown...
User Guide - Page 15
.../c): Mixed fraction 2(d/c): Improper fraction
13 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 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...
User Guide - Page 20
...; 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 want to clear the values assigned to all of times...A j 1. This operation deletes the data assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
•...
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
* 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)
r ҃ 2
f* 1 P L 3 T =
* A f in the case of .
21 D R G
1 2 3
• Pressing 1, 2, or 3 ...
User Guide - Page 24
...of the coefficients.
view other elements.
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: ax3 + bx2 + cx + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen. Coefficient name
a?
k Engineering Notation Calculations
• Example 1: To convert 56,088 meters...
User Guide - Page 28
..., 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1. tions noted nearby.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to perform statistical calculations 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...
User Guide - Page 30
... to enter the REG Mode when you want to register the value you just input.
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.
Press 1 if you want to exit data input without registering the value you just...
User Guide - Page 37
... is so complex that is
a negative number, the negative number must be enclosed within parentheses. * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed first. • When a calculation contains an argument that the capacity of the matrix stack. exIn 120 → ex{In( 120)} • Other...
User Guide - Page 40
... of consecutive calculations, which can result in the case of ^(xy), x y , x!, 3 , nPr, nCr, etc.) In the vicinity of a function's singular point and point of inflection, errors are performed in improper operation.
Screw
38 Replace the battery as soon as possible when display figures become large. (This is low. Power Supply (fx-95MS only...
User Guide - Page 41
...years when left with power turned off if you do not perform any operation for fx-912MS owners The names fx-912MS (Japan domestic model name) and fx-115MS (international model name) apply to the same model.
Dimensions: 19.5 (H) ...17,000 hours continuous display of the fx-912MS should refer to turn power back on. u Auto Power Off
Calculator power automatically turns off . Owners of flashing...
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