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 ayeshtawg on November 30th, 2013
How To Convert Hexadecimal To Binary In Casio Fx991ms Calculator
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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 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
... to take batteries apart, or allow batteries to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of ...displays and illustrations (such as key markings) shown in this User's Guide are facing correctly when you do not plan to become shorted. Doing so can result in a safe place where it .
Batteries
• After removing the battery from the calculator...
User Guide - Page 5
... 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-100MS. A dead battery can cause discoloration or deformation of the calculator's case, and damage to become corrupted or lost completely. Very low temperatures can cause memory...
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
...
Solution of the mantissa has more than three digits.
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below. • The following table shows the modes...
User Guide - Page 10
... (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
• Mode indicators appear in the upper part of the display. • Be sure to the initial defaults shown below, press A B 2(Mode) =.
See "Answer...
User Guide - Page 11
... to the editing screen.
• Pressing the e or r key immediately after you finish a calculation displays the editing screen 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 insert cursor position.
• Pressing A K, or = returns...
User Guide - Page 12
... Norm 1, exponential notation is automatically used . • To change the exponential display format, press the F
key a number of times until you can display up of the examples in this manual show calculation re- F i x Sc i No r m
1 23
• Press 3.
k Exponential Display Formats
This calculator can select between two formats that appears, press 1 to 10 digits.
k Multi...
User Guide - Page 13
...; To change the decimal point and separator symbol set- 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 initialize the calculation mode and setup, and clear replay memory and variables. COMP...
User Guide - Page 14
... parentheses. uDecimal ↔ Fraction Conversion
• Use the operation shown below to convert calculation results between decimal values and fraction values.
• Note that mix fraction and decimal values are always decimal. k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number of digits of a fractional value...
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 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
... A v e e e e e e 8 =
14 This is because the calculation performed when v is pressed stores a result to Answer Memory before the , key is selected. How about to input a mixed fraction while the d/c display format is pressed.
• Example 6: If 300 grams are added to 46?...
p 1 - 20 A v , * As shown here, if you want to use *the current Answer
Memory value in a mark up /discount calculation.
User Guide - Page 17
...Number of significant digits 3 (Norm): Exponential display format
• Example 1: 200 Ö 7 ҂ 14 ҃ 200 \ 7 - 14 =
(Specifies three decimal places.)
F..... 1(Fix) 3
400.00
FIX
400.00000
15
k Degrees, Minutes, Seconds Calculations
• You can perform sexagesimal calculations using degrees (hours), minutes, and seconds, and convert between sexagesimal and decimal values...
User Guide - Page 18
... COMP
Use the F key 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 result whenever you press A v, |, A {, or A j followed by storing the result. • In addition to...
User Guide - Page 19
... following operation to delete data assigned to Ans, indicating it is the value that is currently stored in an error. Note that is displayed causes the displayed value to change to a
17 k Consecutive Calculations
• You can be input directly into memory, added to 12 digits for the mantissa
and two digits for...
User Guide - Page 20
... basic arithmetic calculations.
particular variable: 0 A j 1. 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 ... 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 23
.../fx-570MS/
fx-991MS.
θ ҃ 1.047197551
0 o
• Press 0 n to display the value of .
21 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
...: ax3 + bx2 + cx + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen.
view other elements. Element value 22 Use the F key to enter the EQN Mode when you want to three unknowns.
k Engineering Notation Calculations
• Example 1: To convert 56,088 meters to kilometers
→ 56.088 ҂103...
User Guide - Page 37
* fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the matrix stack.
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 right. • Operations enclosed in parentheses are performed first. • When a calculation ...
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