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 shubhajagadesh on December 24th, 2014
Turn Off Fix Mode
please sugest that how to turn off fix mode in scientific calculatoe casio fx-991MS
Current Answers
Answer #1: Posted by TechSupport101 on December 24th, 2014 9:51 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Hi. See the eHow tutorial here
http://www.ehow.com/how_8409899_remove-casio-calculator-fix-mode.html
Related Casio fx 991MS Manual Pages
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
...calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in this manual. Batteries
• After removing the battery from the calculator... injury.
• The displays and illustrations (such as key markings) shown in a safe place where it . Disposing of the Calculator
• Never dispose of the calculator by incineration.
• ...
User Guide - Page 5
...Heat can cause slow display response, total failure of the display, and shortening of the calculator's case, and damage to change without notice. • In no event shall CASIO Computer Co., Ltd. ...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...
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 8
... and
Permutation/Combination 20 kAngle Unit Conversion 21
kCoordinate Conversion (Pol (x, y), Rec (r 21
kEngineering Notation Calculations 22
Equation Calculations 22
kQuadratic and Cubic Equations 22 kSimultaneous Equations 24
Statistical Calculations 26
Standard Deviation 26 Regression Calculations 28
Technical Information 32
kWhen you have a problem 32 kError Messages 32 kOrder of...
User Guide - Page 9
... possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only. Before getting started...
A separator symbol is displayed every three digits when the integer part of the mantissa has more than three digits. k Modes
Before starting a calculation, you must first enter the correct mode as indicated in the table below. • The following table...
User Guide - Page 10
... 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. One step is indicated in a subsequent calculation. See "Answer Memory" for more information about using the g key.
8 Whenever you need to enter in order to input more than twice displays additional setup...
User Guide - Page 11
... the input at the insert cursor position.
• Pressing A K, or = returns to the normal cursor from one calculation mode to another When you turn off the calculator. Pressing the [ key displays the formula and result of the following actions. k Making Corrections During Input
• Use e and r to move the cursor to the location you want...
User Guide - Page 13
... want to initialize the calculation mode and setup, and clear replay memory and variables.
ting, press the F key a number of calculations must be enclosed within parentheses.
sin -1.23 → S R D 1.23 T
11 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...
User Guide - Page 15
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 reach the setup screen...
User Guide - Page 17
...Example 2: To perform the following calculation: 12°34'56" ҂ 3.45 12 I 34 I 56 I - 3.45 = 43°24°31.2
k FIX, SCI, RND
• To change .
1 (Fix): Number of decimal places 2...places, the number of significant digits, or the exponential display format, press the F key a number of significant digits 3 (Norm): Exponential display format
• Example 1: 200 Ö 7 ҂...
User Guide - Page 18
COMP F 1
k Answer Memory • Whenever 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 result whenever you press A v, |, A {, or A j followed by storing the result....
User Guide - Page 20
... or 3) that corresponds to the angle unit you want 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 use. (90° = π ...
User Guide - Page 23
* 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,) (Rad)
r ҃ 2
f* 1 P L 3 T =
* A f in the case of .
21 D R G
1 2 3
• Pressing 1, 2, or 3 ...
User Guide - Page 24
... + d = 0 Entering the EQN Mode and pressing r displays the initial quadratic/cubic equation screen.
Coefficient name
a? Use the F key to enter the EQN Mode when you want to
0. Element value 22
Arrow indicates
direction you
should scroll to solve an equation.
Deg r ee?
2 3
Use this screen to three unknowns. k Engineering Notation Calculations
• Example 1: To...
User Guide - Page 28
... 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 calculate values for the following data : 55, 54, 51, 55, 53, 53, 54, 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1. S
• Input data is indicated on the display (n value).
54 S 51 S 55 S 53...
User Guide - Page 30
...: Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression
28 REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below.
L i n Log Ex p
1 23
re
Pw r I nv Quad
...to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you...
User Guide - Page 32
...8226; The regression formula for the data nearby. Finally, calculate the coefficient of expressions the same way you press S ...regression formula to determine the regression formula terms and correlation coefficient for linear regression is indicated on the display (n value).
15 P 1005 S
20 P1010 S 25 P 1011 S 30 P 1014 S
...Mode:
1(Lin)
A B 1 (Scl) = (Stat clear)
REG
10 P1003 S n=
1.
User Guide - Page 40
... off.
To replace the battery
1 Press A i to the "User's Guide 2 (Additional Functions)." Power Supply (fx-95MS only)
Users of other models should refer to turn power on the display of internal consecutive calculations that
hold the back cover in place
and then remove the back
cover. 3 Remove the old battery. 4 Load a new battery into...
User Guide - Page 41
u Auto Power Off
Calculator power automatically turns off .
Owners of the fx-912MS should refer to turn power back on. When this happens, press 5 to the "User's Guide 2 (Additional Functions... display of fx-115MS.
39 Approximately 2 years when left with power turned off if you do not perform any operation for fx-912MS owners The names fx-912MS (Japan domestic model name) and fx-115MS...
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