Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by bayshnw on July 23rd, 2014
How To Find Linear Interpolation In Casio Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... menu item is indicated as shown in calculator memory.
19(CLR)3(All)=(Yes)
• For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
• For information about memory, see "Using Calculator Memory". E-2 In this product and the items that this manual, it .
Moreover, CASIO Computer Co., Ltd.
Example: 1(Setup)
Indicates the...
User Guide - Page 5
... the battery, try to take the battery apart, or allow the battery to suddenly burst, creating the risk of the calculator by incineration.
• Improperly using this manual handy for this calculator in
this manual.
E-3 Doing so can cause it to indicate information that the battery's positive k and negative l ends are facing...
User Guide - Page 6
.... Such conditions can leak, causing damage to strong impact.
• Never twist or bend the calculator. Wring out all important data.
• Avoid use and storage of this, it off with ...be subjected to twisting or bending.
• Never try to take the calculator apart. • Never press the keys of the calculator with a ballpoint pen or
other tight-fitting clothing where it might be...
User Guide - Page 10
... as they are rounded off to use "]CONT'".
Specifying the Input/Output Format
For this input/output format: Math Linear
Perform this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2)
Calculation Result Display Examples • Fix: The value you specify (from 0 to 9) controls the number of Significant Digits
Exponential...
User Guide - Page 14
... the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to make room when you have insert or overwrite...215; 12
LINE
369*13
Y
2
E-12 See "Incorporating a Value into a Function" for Linear format input is
selected.
If the I ) when the insert mode is the insert mode. ...
User Guide - Page 23
... format.
Math Format
Improper Fraction
Mixed Fraction
7 3
2
1 3
('7c3) (1'(()2e1c3)
7 { 3
2 { 1 { 3
Linear Format
Numerator Denominator Integer Part
Denominator
Numerator
(7'3)
(2'1'3)
• Under initial default settings, fractions are displayed as improper fractions.
• Fraction calculation results are always reduced before being displayed. Appendix -2 + -1 = -7
326...
User Guide - Page 26
...: COMP (N1), CMPLX (N2), BASE-N (N4)
Recalling Calculation History Memory Contents Press f to edit the expression you used for the new calculation. If you are using Linear format, you input and execute, and its result. Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation expression you can press A and then d or...
User Guide - Page 36
... constants.)
a: Integration interval lower limit b: Integration interval upper limit tol: Tolerance range (input/output format: Linear) • You can take considerable time to complete. • A smaller tol value provides better precision, but it also causes the calculation to take more time.
Example: ∫(0.5X2 - 2, -2, 2) = -5.333333333 • A "Time Out" error occurs when an...
User Guide - Page 38
...Pol(, Rec(, and Σ( cannot be used within f(x), a, or tol. • Differential calculations can omit specification of the tolerance range. inclusion of undifferentiable points in
x values - inclusion of ...results and errors can be obtained (differential point)
tol: Tolerance range (input/output format: Linear) • You can be performed in x values - discontinuous points in x values -...
User Guide - Page 45
...;.
Example 2: '2 ∠ 45 = 1 + i
(Angle Unit: Deg)
MATH
CMPLX
Math
!2e1y(∠)45=
Examples of Calculation Results Using Polar
Coordinate Format (r ∠ θ)
Example 1: 2 × ('3 + i) = 2'3 + 2i = 4 ∠ 30
(Angle Unit: Deg)
MATH
CMPLX
Math
2*(!3e+i)=
• With Linear format, the absolute value and argument are shown in the range of the complex number...
User Guide - Page 46
... X 5 e^X 6 A•B^X 7 A•X^B 8 1/X
Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power ... Value and Argument (Abs, arg)
You can use the following procedure to select a statistical calculation type.
E-44 Use the STAT menu to obtain the absolute value (|Z|) and argument (arg)...
User Guide - Page 47
... on the type of statistical calculation you selected.
You can use the FREQ column to six of its digits in the formula area. This registers the value and displays up to specify the frequency (the number of times the same sample appears in the COMP Mode with Linear format. • Pressing A while...
User Guide - Page 49
...calculation screen also uses Linear format, regardless of the current input/output format setting on whether the currently selected statistical operation type uses a single variable or paired variables. Pressing the A key while the STAT editor screen is on the display. The content to the STAT menu depends on the calculator... :
Display the statistical calculation type selection screen Display the...
User Guide - Page 50
... the Distr sub-menu of commands for normal distribution calculations • For more information, see "Commands when Linear
Regression Calculation (A+BX) Is Selected" and "Commands when Quadratic Regression Calculation (_+CX2) Is Selected".
See Appendix for information about the calculation
formula used for regression calculations • For details see "Distr Sub-menu". Single...
User Guide - Page 52
... of the Y-data Sample standard deviation of the Y-data
E-50 See Appendix for information about the calculation
formula used for each command.
Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is selected as the statistical calculation type. y = A + BX
The following are the commands that appear on the sub-menus that appear...
User Guide - Page 53
... deviation), and MinMax sub-menu (maximum value, minimum value) operations are the same those for each command. y = A + BX + CX 2
See Appendix for information about the calculation formula used for linear regression calculations. E-51 Reg Sub-menu (11(STAT)7(Reg))
Select this menu item: When you want to obtain this :
Regression coefficient constant term...
User Guide - Page 57
... you press N5(EQN) and enter the EQN Mode. Equation Calculations (EQN)
All calculations in the EQN Mode (N5). Key
Menu Item
1 anX + bnY = cn
2 anX + bnY + cnZ = dn
3 aX2 + bX + c = 0 4 aX3 + bX2 + cX + d = 0
Equation Type
Simultaneous Linear Equations with Two Unknowns
Simultaneous Linear Equations with negative binary values and examples of a two's complement...
User Guide - Page 59
..."MatB", and "MatC" in a special Matrix Answer Memory named "MatAns". Matrix calculation results are multiple solutions for configuring dimension settings. The actual number of solutions depends ...calculator's setup screen.
• Note that the matrix selection screen also appears whenever you enter the MATRIX Mode.
(2) Press a number key (1, 2, or 3) to specify the name of simultaneous linear...
User Guide - Page 63
... variable assigned to the function editor screen.
k Start, End, and Step Value Rules
• Linear format is not generated.
• The specified Start, End, and Step values should produce a
maximum...;) functions cannot be used for value input.
• You can specify either values or calculation expressions (which
must produce a numeric result) for Start, End, and Step.
•...
User Guide - Page 64
... the vector editor screen. k Number Table Screen The number table screen shows x-values calculated using the
specified Start, End, and Step values, as well as the values obtained... input/output format settings (Math format or Linear format) on the calculator's setup screen while in a special Vector Answer Memory named "VctAns".
Vector calculation results are performed in Vector Memory
(1) In...
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