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 dani0tb on November 14th, 2013
How To Use Scientific Calculator Casio Fx 991ms
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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 4
... and personal injury.
• The displays and illustrations (such as key markings) shown in this manual.
Batteries
• After removing the battery from the calculator, put it in personal injury or ...the calculator. • Remove the battery if you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in ...
User Guide - Page 5
...fx-570MS/fx-991MS, or at least once every two years for the fx-95MS/fx-100MS. A dead battery can leak, causing damage to and malfunction of battery life. Very low temperatures can cause slow display response, total failure of the display, and shortening of the calculator.
Always keep written records of all important data.
• Avoid use... and storage. Moreover, CASIO Computer Co., Ltd. only...
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
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 the mantissa has more than three digits. A separator symbol is displayed every three digits when the integer part of equations
F F 1 EQN
7 Users of...
User Guide - Page 10
... up each section.
k Input Capacity
• The memory area used to check the current calculation mode (SD, REG,
COMP) and angle unit setting (Deg, Rad, Gra) before beginning a calculation. Whenever you input the 73rd step of the display. • Be sure to change the calculator setup.
• In this manual where they are described in...
User Guide - Page 11
... e or r key while a replay memory calculation is on the display inserts the input at the current cursor position.
• Press A K to another When you press t.
• Replay memory capacity is cleared by pressing A B 2 (or 3) =. When you change to an insert cursor t. k Making Corrections During Input
• Use e and r to move the cursor to...
User Guide - Page 12
... with more than nine decimal places. • All of two or more smaller expressions, which are automatically displayed using a colon ( : ). • Example: To add 2 + 3 and then 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 appears, press 1 to 10 digits. Larger values are joined...
User Guide - Page 13
... 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 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...
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 specify the display format when a fraction calculation result is greater than one.
• To change the fraction display... 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
•...
User Guide - Page 16
... about to assign the Answer Memory value into a variable and then use the variable in a 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 is the percentage
increase in weight?
(160%)
300 + 500 A v
• Example 7: What is the...
User Guide - Page 19
... be input directly into memory, added to 12 digits for the mantissa
and two digits for calculating cumulative totals.
• Independent memory uses the same memory area as variable M.
• To clear independent memory (M), input 0 A... in an error. k Consecutive Calculations
• You can use the calculation result that is currently on the display (and also stored in Answer Memory) as ...
User Guide - Page 20
... key (1, 2, 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
• To change the ... Ö 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 =
Scientific Function Calculations
COMP
Use the F key to use. (90° = π radians = 100 grads) 2 18
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
...(1, 3) to polar coordinates (r,) (Rad)
r ҃ 2
f* 1 P L 3 T =
* A f in the case of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to display the value of r, or 0 o 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 .
21
User Guide - Page 24
... = J
Equation
EQN
Calculations
The EQN Mode lets you want to solve an equation. EQN F F 1 (fx-95MS) F F F...displays the initial quadratic/cubic equation screen. view other elements.
Arrow indicates
direction you
should scroll to specify 2 (quadratic) or 3 (cubic) as the degree of the equation, and input values for each of the coefficients.
Coefficient name
a? Deg r ee?
2 3
Use...
User Guide - Page 28
... 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. Each time you want to perform statistical calculations using standard deviation. S
• Input data is indicated on the display (n value...
User Guide - Page 30
... longer after perform either the following operations. If you do this, however, you will be unable to perform statistical calculations using regression. Press 2 to register the value you just input, without registering the value you just input. REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones shown below.
User Guide - Page 37
... two levels of the same precedence are performed first. • When a calculation contains an argument that is required when the calculation includes a high-priority Type A function, or power or root operations. 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...
User Guide - Page 40
Power Supply (fx-95MS only)
Users of other models should refer to turn power off. Continued use of the calculator when the battery is ...calculations, which can result in improper operation. Replace the battery as soon as possible when display figures become dim.
* For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation...
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