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 jrCamc on March 12th, 2014
Does Casio Fx991ms Need To Replace Battery
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Current Answers
Related Casio fx 991MS Manual Pages
User Guide - Page 1
E
http://world.casio.com/edu_e/ 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.
User Guide - Page 3
Never slide the display end of the unit into the cover.
.....1
.....2
1 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 Holding ...
User Guide - Page 4
... small children and accidentally swallowed.
• Keep batteries out of the reach of the calculator by incineration.
• Misuse of batteries can cause certain components to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type 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 any claim of this unit discharges...
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
Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. Before getting started... 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 other models should ...
User Guide - Page 10
..., the name of the display. • Be sure to the initial defaults shown below, press A B 2(Mode) =. One step is running low. See "Answer Memory" for more information about using the g key.
8
If you need to enter in order to perform the calculations being described is indicated in a subsequent calculation.
Example: Equation
Calculations
EQN
Note!
•...
User Guide - Page 11
... after you press t.
• Replay memory capacity is cleared by pressing A B 2 (or 3) =. When you press the 5 key When you last performed.
Pressing the [ key displays the formula and result of the calculation you initialize modes and settings by any of both expressions and results.
• Replay memory is 128 bytes for that...
User Guide - Page 12
... multiply the result by 4
2 + 3 p \ g - 4 = 2+3
5.Disp
= Ans×4 20.
k Exponential Display Formats
This calculator can select between two formats that determine at what point 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 two or more than nine decimal places...
User Guide - Page 13
... → S R D 1.23 T
11 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 perform basic calculations.
Disp
1
• Display the selection screen. COMP F 1 • Negative values inside of...
User Guide - Page 15
...
A B
5 3.00
A B
1 2 3.00
• You can use .
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 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...
User Guide - Page 16
• An error occurs if you need to 48? (15%, 20%) 46 , 40 A v e e e e e e 8 =
14
This is because the calculation performed when v is pressed stores a ...d/c display format is the percentage
increase in the mark up or discount calculation, you try to 46? k Percentage Calculations
• Example 1 : To calculate 12% of 1500 (180) 1500 - 12 A v
• Example 2: To calculate what...
User Guide - Page 17
... of decimal places 2 (Sci): 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...
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 two significant digits (Sci 2)
F..... 2(Sci) 2 1 \ 3 =
SCI
3.3-01
• Press F ..... 3(Norm) 1 to...
User Guide - Page 20
...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 ...; 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 reach the angle unit setup screen shown below. COMP F 1
•...
User Guide - Page 23
... the value of y.
• Example 2: To convert rectangular coordinates (1, 3) 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 r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to polar coordinates (r,...
User Guide - Page 29
... can then edit the displayed data, if you want to perform some other operation (calculation, recall
of statistical calculation results, etc.), you should always press the t key first to exit data display. • Pressing the...number of the same data us- ing A G. If this happens, press the = key to replace the old value with the new one. If you input multiple entries of the same data using ...
User Guide - Page 40
... remove the back
cover. 3 Remove the old battery. 4 Load a new battery into the
unit with its positive k and negative l ends facing correctly. 5 Replace the back cover and
secure it in improper operation. * For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant...
User Guide - Page 41
Owners of fx-115MS.
39 Power Supply: Single AA-size battery (R6P (SUM-3))
Battery Life:
Approximately 17,000 hours continuous display of other models should refer to the same model.
Dimensions: 19.5 (H) i 78 (W) i 155 (D) mm 3/4Љ (H) ҂ 31/16Љ (W) ҂ 61/8Љ (D)
Weight:
130 g (4.6 oz) including battery
Power Consumption: 0.0002 W
Operating Temperature: ...
User Guide - Page 42
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA02S0A60-2D06P-Er inPtreindteidn inCChihninaa CAC3A13010060367-1-1
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