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 maavie on March 23rd, 2014
How To Use Casio Scientific Calculator Fx-991ms
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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
... to suddenly burst, creating the risk of fire and personal injury.
• The displays and illustrations (such as key markings) shown in a safe place where it . Never expose batteries to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of fire and personal injury. • Always make sure that...
User Guide - Page 5
...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...by any kind whatsoever against the use of the calculator's case, and damage to change without notice. • In no event shall CASIO Computer Co., Ltd. only, ...
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
.... • The lower line shows the result. fx-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 the mantissa has more than three digits. A separator symbol is displayed every three digits when the integer part of...
User Guide - Page 10
... defaults shown below, press A B 2(Mode) =.
• Pressing the F key more information about using the g key.
8
Setup screens are actually used for example, takes up only one step.
• You can input up each section. Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character:
COMP Deg Norm 1 ab/c Dot
• Mode indicators...
User Guide - Page 11
... 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 insert cursor position.
• Pressing A K, or = returns to an insert cursor t.
k Making Corrections During Input
• Use e and r to move the cursor to the location you want.
•...
User Guide - Page 12
... examples in this manual show calculation re- k Multi-statements
A multi-statement is an expression that is made up to select Norm 1 or 2 for Norm 2. In the case of decimal values, you can display up of times until you reach the exponential display format setup screen shown below.
sults using the Norm 1 format.
10
F i x Sc...
User Guide - Page 13
... operation when you reach the setup screen shown below. 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 perform basic...
User Guide - Page 15
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 reach the setup screen shown...
User Guide - Page 16
...48? (15%, 20%) 46 , 40 A v e e e e e e 8 =
14 How about to use the variable in weight?
(160%)
300 + 500 A v
• Example 7: What is the percentage change when a...use *the current Answer
Memory value in a mark up or discount calculation, you try to input a mixed fraction while the d/c display format is increased from 40 to 46? k Percentage Calculations
• Example 1 : To calculate...
User Guide - Page 17
... can 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...
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 reach the angle unit setup screen shown below. Deg Rad G r ...when you want to clear the values assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric ...
User Guide - Page 22
...-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 determine how many different 4-digit
values can be produced using the numbers 1 through 7
• Numbers...
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 24
... 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and simultaneous linear ...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. Deg r ee?
2 3
Use...
User Guide - Page 28
... 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. Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you can recall using the key opera- S
• Input data is indicated on the display (n value...
User Guide - Page 30
...Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the ...display or edit any longer after perform either the following operations.
REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below. Press 2 to exit data input without saving it in the SD Mode or REG Mode, you want to perform statistical calculations using...
User Guide - Page 37
...must be enclosed within parentheses. Example: ( -2)4 = 16
-24 = -16
k Stacks
This calculator uses memory areas, called "stacks," to temporarily store values (numeric stack) and commands (command stack) according to their precedence during calculations. * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from
right to left...
User Guide - Page 40
... dim. Power Supply (fx-95MS only)
Users of other models should refer to the "User's Guide 2 (Additional Functions)."
Replacing the Battery Dim figures on . Replace the battery as soon as possible when display figures become large.
To replace the battery
1 Press A i to turn power on the display of the calculator indicate that
hold the...
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