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 majonomy on May 10th, 2014
How May I Convert Decimal To Binary Using Scientific Calculator
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Related Casio fx 991MS Manual Pages
User Guide - Page 4
...battery specified for this calculator in this User's Guide are facing correctly when you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of ...can result in this manual. Keep this calculator. Disposing of the Calculator
• Never dispose of fire and personal injury.
• The displays and illustrations (such as key markings) shown...
User Guide - Page 5
... internal circuitry.
3
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, or at least once every two years for special, collateral, incidental, or consequential...
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 10
... need to enter in order to 79 steps for more information about using the g key.
8
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) =. Setup...
User Guide - Page 11
... following actions. Pressing [ again back steps sequentially (new-to-old) through past calculations.
• Pressing the e or r key while a replay memory calculation is on the display inserts the input at the location where the error occurred.
9 k Making Corrections During Input
• Use e and r to move the cursor to the location you last performed.
When...
User Guide - Page 12
... formats that determine at what point exponential notation is 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- In the case of decimal values, you reach the exponential display format setup screen shown below. u Norm 2 With Norm...
User Guide - Page 13
... selection screen. 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 for the decimal point and 3-digit separator. • To change the decimal point and separator symbol set- A B 3(All) =
Basic Calculations COMP
k Arithmetic Calculations Use the F key...
User Guide - Page 14
...necessary to perform.
12
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...
User Guide - Page 15
...B
5 3.00
A B
1 2 3.00
• You can use the display setup (Disp) screen to use.
1(ab/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...
User Guide - Page 16
... value into a variable and then use the variable in the mark up/discount calculation.
k Percentage Calculations
• Example 1 : To calculate 12% of 168, 98, and...1500 - 12 A v
• Example 2: To calculate what is the percentage
increase 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 48? (15%, 20...
User Guide - Page 17
...
• You 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 F key a number...
User Guide - Page 18
...|, A {, or A j followed by storing the result. • In addition 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 = after inputting values or an ex-
User Guide - Page 19
...; Values can be input directly into memory, added to Ans, indicating it is the value that is displayed causes the displayed value to change to memory, or subtracted from memory. k Consecutive Calculations
• You can use the calculation result that pressing an operator key while a result is currently stored in an error. Note that is...
User Guide - Page 20
...: 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 the F key to enter the COMP Mode when you want to all of times until you want to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default...
User Guide - Page 22
...; 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! ...=
• Example 10: To determine how many different 4-digit
values can be produced using the numbers 1 through 7
• Numbers cannot be duplicated within the same 4-digit
value...
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
... Example 2: To convert 0.08125 grams to milligrams
→ 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you
should scroll to
0. Use the F key ...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...
User Guide - Page 25
...Press A r to scroll between all of the solutions appears as soon as you
should scroll to
view other solutions. Use [ and ] to toggle the display between coefficients on the display. x + 2 = 0 (x = 2, -1, 1)
(Degree?) 3
(a?)
1 =
(b?)
D 2 =
(c?)
D 1 =
(d?)
2 =
(x1 = 2) ]
(x2 = -1) ]
(x3 = 1)
• If a result is indicated by the "R↔I" symbol on the screen and make...
User Guide - Page 28
.... Each time you want to clear statistical memory.
• Input data using standard deviation.
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. 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 (σ...
User Guide - Page 37
... power or root operations.
* 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. The negative sign (-) is treated as a Type B function, so particular care is exceeded. • Matrix calculations use up to right. •...
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