Casio FX-991ES Support Question
Casio FX-991ES Support Question
Find answers below for this question about Casio FX-991ES.Need a Casio FX-991ES manual? We have 2 online manuals for this item!
Question posted by sazzsrp on March 21st, 2023
Syntax Error
why do i get syntax error when i am trying to calc the equation A=Y-X^2:X=Ran#(2)+2:Y=Ran#(12)+4 in casio fx-991ES PLUS calculator???
Current Answers
Answer #1: Posted by HelpHero on March 27th, 2023 10:50 PM
HelpHero
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Answer #2: Posted by SonuKumar on March 21st, 2023 10:32 PM
SonuKumar
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May 9th, 2021 Points: 16,609,800
Member since:
May 9th, 2021 Points: 16,609,800
The syntax error is likely occurring because you are trying to use the colon symbol (":") to separate the three parts of your equation. The colon symbol is not a valid operator in the Casio fx-991ES PLUS calculator.
To fix the syntax error, you can try separating the equation into multiple lines using the "SHIFT" key and the "EXE" key on your calculator. Here's an example of how you can input the equation:
- Press the "SHIFT" key and then the "AC" key to clear the calculator.
- Input "X=" and then press the "Ran#" key, followed by the "2" key, and then press the "+2" key. This will generate a random number between 0 and 1 and add 2 to it, and store the result in the variable X.
- Press the "SHIFT" key and then the "EXE" key to move to the next line.
- Input "Y=" and then press the "Ran#" key, followed by the "12" key, and then press the "+4" key. This will generate a random number between 0 and 11 and add 4 to it, and store the result in the variable Y.
- Press the "SHIFT" key and then the "EXE" key to move to the next line.
- Input "A=Y-X^2" to calculate the value of A using the values of X and Y.
This should allow you to calculate the equation without encountering a syntax error.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...the calculator and return the calculation mode and setup to change without notice. • In no event shall CASIO Computer Co., Ltd. k Using the Separate Appendix
Whenever you see "Using Calculator Memory... by any kind whatsoever by the number key operation (1) before it . Initializing the Calculator
Perform the following shows an example of how a key operation to the corresponding example ...
User Guide - Page 5
... the battery to direct heat or dispose of it by burning it will not get into the
calculator. • Use only the type of battery specified for later reference.
Caution
This symbol is .... If accidentally swallowed, consult with a physician immediately.
• Never charge the battery, try to take the battery apart, or allow the battery to become shorted. E-3 Doing so can result in
this...
User Guide - Page 6
... very dirty, wipe it might 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 volatile agents to temperature extremes. Very low temperatures can cause memory contents to strong impact.
• Never twist or bend ...
User Guide - Page 8
... shows an intermediate result of significant digits is in the CMPLX Mode. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
... SCI Math
$`
Disp
Means this indicator will disappear when you press 1t(STO). The calculator is standing by for input of decimal places is radians. The default angle unit is in...
User Guide - Page 9
..., which you can use to control how the calculations are executed and displayed. Select 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 calculations Generation of calculation that corresponds to the mode you want to...
User Guide - Page 16
... format as they appear in your textbook. If this happens, divide the calculation into multiple parts and calculate each part separately. This is causing the error. You can also exit the error screen by mistake instead of an Error
If an error message (like "Math ERROR" or "Syntax ERROR") appears when you nest too many functions and/or parentheses.
User Guide - Page 24
...
Switching between sexagesimal and decimal. E-22 Inputting Sexagesimal Values The following is the syntax for inputting a sexagesimal value.
{Degrees}e{Minutes}e{Seconds}e
Appendix Input 2°0´30...to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between Fraction and Decimal Format f
...
User Guide - Page 27
...15 digits.
• Answer Memory contents are not change if an error occurs during the current calculation.
• Answer Memory contents are maintained even if you press the ..."Ans" command.
• With the above procedure, you change the calculation mode, or turn off the calculator.
• If a CMPLX Mode calculation produces a complex number result, both the real part and imaginary part are...
User Guide - Page 31
... to a2. *6 Value of a3 *8 Value of a5
Using SOLVE
(COMP)
SOLVE uses Newton's Method of syntax for each one.
s (or=)
10=
• To exit CALC, press A. • If the expression you specify otherwise, an equation is solved for X.)
• Unless you are using contains more than one variable,
an input prompt appears...
User Guide - Page 32
...one exists. k Example SOLVE Operation Example: To solve y = ax2 + b for Y. If this happens, try changing the initial value of the solution variable. • SOLVE may not be able to obtain a solution because...Current value of a value for x when y = 0, a = 1, and b = -2. E-30 • An error (Variable ERROR) occurs when the solution variable is not included in the expression being solved.
User Guide - Page 35
...expression with base e. • You can specify base m using the & key for the calculation.
• "ln(" is degrees. LINE
(15(π)/2) 1G(DRG')2(r)=
501G(DRG') 3(g)=...calculator will automatically convert it to display the angle unit specification menu shown below. Note that you must input the base (base m) when using the syntax "log (m, n)". k Converting an Input Value to the Calculator...
User Guide - Page 36
... integration interval, or the interval. • Pressing A will be negative when f(x) < 0 within f(x), a, b, or tol. • Integration calculations can take more time.
Example: ∫(0.5X2 - 2, -2, 2) = -5.333333333 • A "Time Out" error occurs when an integration calculation ends without the ending condition being integrated, the presence of 10 (common logarithm) is used as the...
User Guide - Page 38
.... • When performing a differential calculation involving trigonometric
functions, specify Rad as the calculator's default angle unit. • A "Time Out" error occurs when a differential calculation ends
without the ending condition being fulfilled...; ) when f(x) = sin(x)
2 (tol specification omitted.)
d (3x2 - 5x + 2, 2, 1×10-12) = 7 dx
E-36 inclusion of the tolerance range.
User Guide - Page 55
...Mode, you can input values using the currently selected number base. • A Syntax ERROR occurs if you enter the BASEN Mode is cut off. Inputting Hexadecimal Values
Use ...
• The current number base setting is indicated in the BASE-N Mode. If a calculation produces a fractional value, the decimal part is always decimal (DEC).
Positive: 00000000 < x < 7FFFFFFF decimal Negative: 80000000 ...
User Guide - Page 63
... variable or stored in independent memory).
• Only variable X can specify either values or calculation expressions (which
must produce a numeric result) for Start, End, and Step.
• Specifying ... a number table generation function. • Note that produces more than the Start value causes
an error, so the number table is not generated.
• The specified Start, End, and Step values...
User Guide - Page 69
... depends on the type of whether the input value is ±1 at the least significant digit. A Stack ERROR occurs when the calculation you are performing.
Errors are cumulative in combination with the general-purpose numeric stack.The matrix stack has three levels. This means that involves a matrix causes one level of ...
User Guide - Page 70
... division marks).
• Precision is basically the same as that described under "Calculation Range and Precision", above.
• ^(xy), x'y, 3', x!, nPr, nCr type functions require consecutive internal calculation, which can cause accumulation of errors that occur with each
calculation. • Error is an integer)
0Ϲ n 1҂1010, 0Ϲ r Ϲ n (n, r are integers...
User Guide - Page 71
... sure that in calculation history memory.
Syntax ERROR
• Cause • There is within the allowable range for the function.
E-69 When an error message appears... k Error Messages
The calculator will not be exceeded.
• Action • Simplify the calculation expression so it does not exceed the capacity of the stack. • Try splitting the calculation into two or...
User Guide - Page 72
... feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the equation that is included in a calculation was input without the ending condition being fulfilled.
• Action • Try increasing the tol value.
Dimension ERROR (MATRIX and VECTOR Modes only) • Cause
• The matrix or vector you...
User Guide - Page 73
...Calculation Mode and Other Settings" under "Calculation Modes and Calculator Setup". (4) Initialize all modes and settings by performing the following steps whenever an error occurs during a calculation or when calculation results are not what you turn on the calculator... press the O key. Note that checks whether calculation functions are trying to make sure that combines a solar cell with...
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