Casio fx 991MS - Scientific Display Calculator Support and Manuals
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Casio fx 991MS Videos
Casio FX-991ms Converting polar and rectangular
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Duration: 4:42
Total Views: 3,878
CASIO fx-991MS Calculator Tutorial: Lesson 3- Using the CALC Memory
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Duration: 1:43
Total Views: 1,699
Factoring a simple quadratic equation using a calculator (Casio fx-991MS)
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Duration: 2:13
Total Views: 111
Casio fx-991MS - Solve a polynomial
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Duration: :22
Total Views: 52,278
Popular 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 5
... 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 special, collateral, incidental, or consequential damages in areas subjected to very high temperatures. Moreover, CASIO Computer Co., Ltd. be exposed to temperature...
User Guide - Page 8
...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 Operations 34 kStacks 35 kInput Ranges 36
Power Supply (fx-95MS only 38 Specifications (fx-95MS only...
User Guide - Page 9
... 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.
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 equations
F F 1 EQN...
User Guide - Page 10
... area used to change the calculator setup.
• In this manual where they are described in the upper part of the mode you know memory is taken up to 79 steps for a single calculation. If you need to enter in order to perform the calculations being described is indicated in a subsequent calculation. • Pressing the F key more...
User Guide - Page 12
... is used. • To change the exponential display format, press the F
key a number of times until you can display up of the examples in this manual show calculation re- sults using a colon ( : ). • Example: To add 2 + 3 and then multiply the result by 4
2 + 3 p \ g - 4 = 2+3...2.
In the case of decimal values, you reach the exponential display format setup screen shown below.
User Guide - Page 13
...; Display the selection screen. fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to
the setting 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 F key to use the display setup (Disp) screen to specify the...
User Guide - Page 15
Disp
1
• Display the selection screen. 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...
User Guide - Page 20
...long time to complete.
• Wait for the result to perform basic arithmetic calculations. 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
Use the F key to enter the COMP Mode when you want to ... when you want to all of times until you reach the angle unit setup screen shown below.
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
... 2: To convert 0.08125 grams to milligrams
→ 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and simultaneous linear equations with up to specify 2 (quadratic) or 3 (cubic) as the degree of the equation, and input values for each of the coefficients. EQN F F 1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and...
User Guide - Page 25
... to
view other solutions. This is a complex number, the real part of the solutions appears as soon as you input a value for the final coefficient.
• 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 30
... regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression
28
Changing 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 just ... calculations using regression. REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode displays screens like the ones ...
User Guide - Page 34
... modes and settings.
2. Press A B 2(Mode) = to confirm it is correct.
3.
Check the formula you always keep written copies of the same data us- Make sure you are not what you have a problem...... To input the data "20 and 30" five times, for regression calculations. Technical Information
k When you expect or if an error occurs...
User Guide - Page 37
... 34 45 54
Command Stack 1҂ 2 3 4ѿ 5҂
6 7ѿ
35 * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed first. • When a calculation contains an argument that the capacity of the matrix stack. The negative sign (-) is treated as a Type B function, so particular care is required when the...
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