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 dbsagROBB9 on December 8th, 2013
How To Store A Equation In Casio Fx991ms
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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
... do not plan 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 in a safe place where it . Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Misuse of batteries...
User Guide - Page 5
.../fx-991MS, or at least once every two years for any claim of any kind whatsoever against the use of this unit discharges slightly during shipment and storage. Very low temperatures can leak, causing damage to and malfunction of the calculator's case, and damage to change without notice. • In no event shall CASIO...
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
... and their selection.
Before getting started... A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 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 the mantissa has more than...
User Guide - Page 10
... which you can use in a subsequent calculation.
Example: Equation
Calculations
EQN
Note!
• To 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. See "Answer Memory" for calculation input can input up to change the calculator setup.
• In this manual where...
User Guide - Page 11
... insert cursor position.
• Pressing A K, or = returns to the editing screen.
• Pressing the e or r key immediately after you finish a calculation displays the editing screen for storage of the calculation you perform a calculation, the replay function stores the calculation formula and its result in replay memory. Pressing [ again back steps sequentially (new-to-old) through past...
User Guide - Page 12
... an expression that is automatically used for integer values with more than 10 digits and decimal values with more than two decimal places. k Exponential Display Formats
This calculator can select between two formats that appears, press 1 to 10 digits.
u Norm 1 With Norm 1, exponential notation is made up to select Norm 1 or 2 for...
User Guide - Page 16
This is because the calculation performed when v is pressed stores a result to Answer Memory before the , key is ...the current Answer
Memory value in a mark up /discount calculation.
• An error occurs if you try to input a mixed fraction while the d/c display format is increased from 40 to 46? k Percentage Calculations
• Example 1 : To calculate 12% of 168, 98, and 734 by
20%
(...
User Guide - Page 18
...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... performs the same calculation using memory. pression, the calculated result automatically updates Answer Memory contents by storing the result. •...
User Guide - Page 19
...; You can use the calculation result that is currently on the display (and also stored in Answer Memory.
• The result of a calculation can also be used to store data, constants, results, and other values.
• Use the following operation to delete data assigned to Ans, indicating it is the value that pressing an ...
User Guide - Page 20
...҃ 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 use. (90° = π radians =...F 1
• Certain types of calculations may take a long time to complete.
• Wait for the result to appear on the display before starting the next calculation.
• π = 3.14159265359
...
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
... you
should scroll to solve an equation. Coefficient name
a?
EQN F 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/cubic equation screen.
k Engineering Notation Calculations
• Example 1: To convert 56,088...
User Guide - Page 25
... that you
should scroll to
view other solutions.
Press A r to toggle the display between coefficients on the display. solutions. Calculation starts and one of a solution.
23 • Any time until you input a value for the final coefficient (c for a quadratic equation, d for a cubic equation), you can cause calculation to take more
time.
• Example 1: To solve the...
User Guide - Page 29
... 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 S key instead of... then edit the displayed data, if you register are normally stored in any more data if there is . • You can delete a data value displayed using A G to display the screen shown below...
User Guide - Page 37
...Matrix calculations use up to two levels of the matrix stack.
Example: ( -2)4 = 16
-24 = -16
k Stacks
This calculator uses memory areas, called "stacks," to temporarily store values ...calculation includes a high-priority Type A function, or power or root operations. The numeric stack has 10 levels and the command stack has 24 levels. * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS...
User Guide - Page 40
... Functions)."
Replacing the Battery Dim figures on . Power Supply (fx-95MS only)
Users of the calculator when the battery is low can also cause them to become large. (This ... that battery power is low. * 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 digit.)...
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