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 timfrmatth on May 27th, 2014
How To Use Mode Reg On 991ms
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Related Casio fx 991MS Manual Pages
User Guide - Page 4
... to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of small children.
Batteries
• After removing the battery from the calculator, put...Calculator
• Never dispose of the calculator by incineration.
• Misuse of batteries can cause certain components to suddenly burst, creating the risk of fire and personal injury.
• The displays...
User Guide - Page 5
... any other party.
shall not be exposed 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 any claim of any kind...
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
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. Users of other models should refer to view both the calculation formula and its result at the same time.
• The upper line...
User Guide - Page 10
...; 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.
See "Answer Memory" for calculation input can hold 79 "steps."
Whenever you input the 73rd step of any calculation, the cursor changes from "_" to "k" to input more than twice displays additional setup screens...
User Guide - Page 11
...Use e and r to move the cursor to the location you turn off the calculator. Pressing the [ key displays the formula and result of the calculation you press t.
• Replay memory capacity is 128 bytes for that calculation... past calculations.
• Pressing the e or r key while a replay memory calculation is on the display changes to the normal cursor from one calculation mode to ...
User Guide - Page 12
In the case of the examples in this manual show calculation re-
u Norm 2 With Norm 2, exponential notation is automatically used for Norm 2. k Exponential Display Formats
This calculator can select between two formats that determine at what point exponential notation is used for integer values with more than 10 digits and decimal values with more smaller expressions...
User Guide - Page 13
... operation when you want to initialize the calculation mode and setup, and clear replay memory and variables. A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to perform basic calculations. 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...
User Guide - Page 14
...seconds to enclose a negative exponent within parentheses. k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number of digits of a... to perform.
12 uDecimal ↔ Fraction Conversion
• Use the operation shown below to convert calculation results between decimal values and fraction values.
• Note that mix ...
User Guide - Page 15
... 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...
User Guide - Page 16
... shown here, if you want to use the variable in the mark up or discount calculation, you try to 48? (15%, 20%) 46 , 40 A v e e e e e e 8 =
14 How about to input a mixed fraction while the d/c display format is the percentage
increase in a mark up /discount calculation.
k Percentage Calculations
• Example 1 : To calculate 12% of 1500 (180) 1500 - 12...
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 18
... 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 =
399.99400
• Press F ..... 3(Norm) 1 to clear the Fix specification.
• Example 2: 1 Ö 3, displaying result with two significant digits (Sci 2)
F..... 2(Sci) 2 1 \ 3 =
SCI
3.3-01
• Press...
User Guide - Page 20
... the number key (1, 2, or 3) that corresponds to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
•...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 until you want to...
User Guide - Page 24
....25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and simultaneous linear equations ...Use this screen to three unknowns.
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...
User Guide - Page 28
... 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- SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to perform statistical calculations using the key sequence shown below.
To recall this type of data input up to calculate values for the...
User Guide - Page 30
... statistical calculations using regression.
L i n Log Ex p
1 23
re
Pw r I nv Quad
1 23
• Press the number key (1, 2, or 3) that corresponds to 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...
User Guide - Page 32
...: Atmospheric Pressure vs. Finally, calculate the coefficient of data input up to estimate atmospheric pressure at 18°C and temperature at 18°C = 1007.48
18 A X r r r 2 =
30
u Linear Regression • The regression formula for the data nearby. In the REG Mode:
1(Lin)
A B 1 (Scl) = (Stat clear)
REG
10 P1003 S n=
1.
Next, use variables. Temperature
Temperature
10...
User Guide - Page 34
... when yi is on
32 Technical Information
k When you always keep written copies of the same data us-
Enter the correct mode and try performing the calculation again. k Error Messages
The calculator is locked up while an error message is 20 = 175.5872105 20 A X r r r 2 =
Data Input Precautions
• S S inputs the same data twice...
User Guide - Page 40
... Supply (fx-95MS only)
Users of the calculator when the battery is low can also cause them to become large. (This is powered by a single AA-size battery. To replace the battery
1 Press A i to the "User's Guide 2 (Additional Functions)." Continued use of other models should refer to turn power on the display of inflection...
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