Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by cakp on June 21st, 2014
How To Find Minimum Deviationcasio Fx991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... Guide refer to the separate Appendix.
E-2 • The following procedure when you see "Using Calculator Memory". Example: 1(Setup)
Indicates the menu item that come with the marks in the Appendix.
...markings) shown in the illustration nearby. Moreover, CASIO Computer Co., Ltd. Initializing the Calculator
Perform the following shows an example of how a key operation to select an on-...
User Guide - Page 5
... batteries out of the reach of small children.
Battery
• After removing the battery from the calculator, put it in a safe place where it will not get into the
calculator. • Use only the type of the calculator by burning it by incineration.
• Improperly using this manual. Never expose the battery to...
User Guide - Page 6
... low temperatures can damage the case. Such conditions can leak, causing damage to temperature extremes. A dead battery can damage internal circuitry.
• Never drop the calculator or otherwise subject it may require replacement sooner than the normal expected battery life.
• Low battery power can cause discoloration or deformation of the...
User Guide - Page 7
...; Press 1A(OFF) to adjust display contrast. Replace the battery.
k Turning Power On and Off
• Press O to turn off the calculator. E-5 Use d and e to turn on the display.
Important!
• If adjusting display contrast does not improve display readability, it , and then affix the hard case ...
User Guide - Page 8
... of significant digits is in independent memory. A fixed number of a multi-statement calculation. The default angle unit is more data above/below the current screen. E-6 This...disappear when you press a key. Math style is a value stored in effect. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT VCT...
User Guide - Page 9
... 1N(SETUP) displays the setup menu, which you can jump between using c and f. c
f
E-7 Calculation Modes and Calculator Setup
k Calculation Modes
When you want to perform this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix...
User Guide - Page 10
... as they are rounded off to 10) controls the number of
decimal places for displayed calculation results. 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 ...
User Guide - Page 11
E-9 The decimal point for calculation results
.
• Norm: Selecting one of the STAT Mode STAT editor screen on or off. Outside the specified range, results are displayed using exponential format. ...
User Guide - Page 12
...-1(, tanh-1(, log(, ln(, e^(, 10^(, '(, 3'(, Abs(, Pol(, Rec(, ∫(, d/dx(, Σ(, P(, Q(, R(, arg(, Conjg(, Not(, Neg(, det(, Trn(, Rnd(
E-10 k Initializing the Calculation Mode and Other Settings
Performing the following procedure initializes the calculation mode and other setup settings as they are written.Then simply press the = key to input the argument and the...
User Guide - Page 13
... the e key to 14 characters at the end of Input Characters (Bytes) • You can use Math format. A function that come at a time.
Number of a calculation, immediately before the = key is pressed. E-11 Omitting the Multiplication Sign You can omit the multiplication sign (×) in any of data for a single expression...
User Guide - Page 14
...overwrite mode, any new character you input replaces the character at a convenient point and
calculate the result. k Correcting an Expression
This section explains how to Math.
You can ... overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the overwrite mode by pressing 1Y(INS). • With Math format, you...
User Guide - Page 15
... × 12 LINE Insert Mode:
369**12
dd
Y Overwrite Mode:
369**12
ddd
Y
Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode:
c60)
dddY
s Overwrite Mode:
c60)
...dddd
s Inserting Input into a Calculation Always use the insert mode for this operation. Use d or e to move the cursor to the ...
User Guide - Page 16
... many functions and/or parentheses.
E-14 If this happens, divide the calculation into multiple parts and calculate each part separately. k Inputting with Math Format
When inputting with the cursor...or e. d1
=
You can then make necessary corrections. k Displaying the Location of the calculation where the error occurred, with Math format, you can input and display fractions and some functions...
User Guide - Page 17
...is
selected. • Pay close attention to the location and size of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value Parentheses
Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8) 1w(Abs) ( or )
Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1
Math Format Input Examples • The following operations are...
User Guide - Page 38
d/dx( f(x), a, tol )
f(x): Function of the local maximum point and local minimum point in x values - inclusion of X (All non-X variables are treated as the calculator's default angle unit. • A "Time Out" error occurs when a differential calculation ends
without the ending condition being fulfilled. • A smaller tol value provides better precision, but it also causes
the...
User Guide - Page 49
... a Line" and "Deleting All STAT Editor Contents" only when the STAT editor screen is for obtaining maximum and minimum values
E-47 k Using the STAT Menu
While the STAT editor screen or STAT calculation screen is displayed switches to display the STAT menu.
Pressing the A key while the STAT editor screen is on...
User Guide - Page 50
...Minimum value Maximum value
E-48 See Appendix for information about the calculation
formula used for normal distribution calculations • For more information, see "Commands when Linear
Regression Calculation (A+BX) Is Selected" and "Commands when Quadratic Regression Calculation...Display the Distr sub-menu of commands for regression calculations • For details see "Distr Sub-menu". ...
User Guide - Page 51
...
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
(FREQ: ON)
Edit the data to the following:
{1, 2, 1, 2, 2, 2, 3, 4, 2, 1}
(FREQ: ON)
• Examples through all use the same data as
Example . Calculate sum of squares of the sample data and sum of
the sample data.
Calculate minimum value and maximum value. Normalized variate t is 7 (R value for
normalized variate when X = 7)
E-49
User Guide - Page 52
...item: When you want to obtain this:
1minX
Minimum value of the X-data
2maxX Maximum value of the X-data
3minY
Minimum value of the Y-data
4maxY Maximum value of...BX
The following model equation. 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 performed in...
User Guide - Page 53
... 4m 5n
Correlation coefficient r Estimated value of x Estimated value of samples, mean, standard deviation), and MinMax sub-menu (maximum value, minimum value) operations are the same those for each command. Appendix Quadratic Regression Calculation: to • Examples through all use the data input in Example .
*1 Estimated Value (y = -3 → m = ?) *2 Estimated Value (x = 2 →...
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