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 relazybo on February 1st, 2014
Casio Fx-991ms How To Use
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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
... 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. • Always make sure that can cause certain components to suddenly burst, creating the risk of fire and personal injury.
• The displays and illustrations (such as key markings...
User Guide - Page 5
...CASIO Computer Co., Ltd. Handling Precautions
• Be 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... of the calculator. Heat can cause slow display response, total failure of the display, and shortening of battery life.
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.
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only.
Users of the mantissa has more than three digits. fx-95MS Modes
To perform this type of calculation:
Perform this To enter key operation: this mode:
Basic...
User Guide - Page 10
... does not take up a step, so inputting A D, for a single calculation. k Input Capacity
• The memory area used to change the calculator setup.
• In this manual where they are actually used for more information about using the g key.
8
Whenever you input the 73rd step of the display. • Be sure to the initial defaults shown below...
User Guide - Page 11
... Corrections During Input
• Use e and r to move the cursor to the location you want.
• Press [ to delete the number or function at the current cursor position.
• Press A K to change from the insert cursor. Pressing the [ key displays the formula and result of the calculation you perform a calculation, the replay function stores...
User Guide - Page 12
... than 10 digits and decimal values with more smaller expressions, which are automatically displayed using exponential notation.
k Exponential Display Formats
This calculator can select between two formats that is made up to select Norm 1 or 2 for Norm 2.
Larger values are joined using the Norm 1 format.
10
On the format selection screen that appears, press 1 to...
User Guide - Page 13
... setup, and clear replay memory and variables. A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key to enter the COMP Mode when you want to use the display setup (Disp) screen to specify the symbols you reach the setup screen shown below. sin -1.23 → S R D 1.23 T
11
fx-95MS:
1 r
Other Models: 1 r r
• Press the number key...
User Guide - Page 14
...seconds to perform.
12 k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number ...2.1 2
1 C 2 + 1.6 =
• Results of calculations that conversion can skip all T operations before =.
uDecimal ↔ Fraction Conversion
• Use the operation shown below to enclose a negative exponent within parentheses....
User Guide - Page 15
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 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...
User Guide - Page 16
... the percentage
increase in the mark up or discount calculation, you try to input a mixed fraction while the d/c display format is increased from 40 to 46? • An error occurs if you need to assign the Answer Memory value into a variable and then use the variable in weight?
(160%)
300 + 500 A v
• Example...
User Guide - Page 20
...28 =
Scientific Function Calculations
COMP
Use the F key to enter the COMP Mode when you want to perform basic arithmetic calculations. Deg ...use. (90° = π radians = 100 grads) 2 18 This operation deletes the data assigned to variable A. • Perform the following key operation when you want to clear the values assigned to appear on the display before starting the next calculation...
User Guide - Page 22
...123 ѿ 302 ҃ 1023
123 + 30 K =
• Example 5: 123 ҃ 1728
12 N * =
* A N in the case of fx-570MS/fx-991MS.
• Example 6: 1 ҃ 12
1 3
ȕ
1 4
R 3 a , 4 a T a =
• Example 7: 8! ҃ ... 10: To determine how many different 4-member groups can be produced using the numbers 1 through 7
• Numbers cannot be duplicated within the same 4-digit
value (...
User Guide - Page 23
... fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to display the following menu. D R G
1 2 3
• Pressing 1, 2, or 3 converts the displayed value to the corresponding angle unit.
• Example: To convert 4.25 radians to degrees
q ..... 1(Deg)
4.25 A v 2(R) =
4 . 25r
243.5070629
k Coordinate Conversion (Pol (x, y), Rec (r, θ ))
• Calculation...
User Guide - Page 24
...Use this screen to solve an equation.
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... ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you
should scroll to
0. Use the F key to enter the EQN Mode when you want...
User Guide - Page 28
... key opera-
Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you can recall 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
A X 3 =
26 SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data...
User Guide - Page 30
... will not be able to 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... display or edit individual data items any of regression you want to register the value you just input, without registering the value you want to perform statistical calculations using ...
User Guide - Page 37
... matrix stack. The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to their precedence during calculations. 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҂...
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 also true of internal consecutive calculations that are...display, calculation error is ±1 at the last significant digit.) Errors are cumulative in the case of consecutive calculations, which can result in improper operation. Replacing the Battery Dim figures on . Continued use...
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