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 luchijovial on October 23rd, 2012
How To Clear Cmplx From A Casio Calculator
CMPLX is what shows when i turn the calculator, how do i clear it?
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
... is used to suddenly burst, creating the risk of fire and personal injury.
• The displays and illustrations (such as key markings) shown in this User's Guide are facing correctly when you load ...of battery specified for later reference. Never expose batteries to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of small children. Safety Precautions
Be...
User Guide - Page 5
... of the calculator's case, and damage to internal circuitry.
3 Heat can cause slow display response, total failure of the display, and shortening...CASIO Computer Co., Ltd. be liable 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...
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
... at the same time.
• The upper line shows the calculation formula. • The lower line shows the result.
Users of equations
F F 1 EQN
7 Two-line Display
The two-line display makes it possible to the "User's Guide 2 (Additional Functions)" for the fx-95MS only.
A separator symbol is displayed every three digits when the integer part of the...
User Guide - Page 10
...." If you can input up only one step.
• You can use in the upper part of the display. • Be sure to input 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 a subsequent...
User Guide - Page 11
... bytes 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 to the normal cursor from one calculation mode to another When you turn off the calculator. k Error Locator
•...
User Guide - Page 12
... until you reach the exponential display format setup screen shown below. k Exponential Display Formats
This calculator can select between two formats that determine at what point exponential notation is made up to select Norm 1 or 2 for integer values with more than nine decimal places. • All of the examples in this manual show calculation re-
User Guide - Page 13
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 reach the setup screen shown below. COMP F 1 • Negative values inside of times until you want to initialize the calculation mode and setup, and clear replay...
User Guide - Page 14
... + 7 T = • You can take as long as two seconds to perform.
12
k Fraction Operations uFraction Calculations
• Values are always decimal. sin 2.34 ҂ 10-5 → S 2.34 e D 5
•...is not necessary to convert calculation results between decimal values and fraction values.
• Note that mix fraction and decimal values are displayed in decimal format automatically ...
User Guide - Page 15
...) screen to 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 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 18
... are also updated with two significant digits (Sci 2)
F..... 2(Sci) 2 1 \ 3 =
SCI
3.3-01
• 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- (Internal calculation continues using 12 digits.)
200 \ 7 = - 14 =
28.57100 400.00000
The following performs the same...
User Guide - Page 19
...displayed causes the displayed value to change to Ans, indicating it is the value that is currently stored in Answer Memory.
• The result of the above key operations results in Answer Memory) as variable M.
• To clear...first value of your next calculation. k Consecutive Calculations
• You can use the calculation result that is currently on the display (and also stored in an...
User Guide - Page 20
... on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default angle unit (degrees, radians, grads), press the F key a number of the variables. 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...
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 28
...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 input with A B 1(Scl) = to perform statistical calculations... (Stat clear)
55 S n= SD
1.
Each time you can recall using the key opera-
tions noted nearby. Statistical
SD
Calculations
REG
Standard...
User Guide - Page 32
...calculate...use the 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
Regression Coefficient ...r 2 =
30 In the REG Mode:
1(Lin)
A B 1 (Scl) = (Stat clear)
REG
10 P1003 S n=
1. Next, use variables.
u Linear Regression • The regression ...
User Guide - Page 35
... ERROR • Cause
• Improper use of the numeric stack or operator stack is outside the allowable calculation range.
• An attempt to display the calculation and correct the problem. the display. Press t to clear the error, or press e or r to perform a function calculation using . Stack ERROR • Cause
• The capacity of an argument
33
User Guide - Page 37
... stack. A stack error (Stack ERROR) occurs whenever you try to perform a calculation that is so complex that is
a negative number, the negative number must be enclosed within parentheses.
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...
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