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991ES-Plus X-hat syntax error

(991ES-Plus) every time i am on stat mode, in A+bx, i enter the Xs and the Ys, when i want to get the X-hat or the Y-hat (the ones with the caret ^ ) i get syntax error

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  • 12 Answers

You can not get directly x^ or y^ directly ,,,,, just enter a number before x^,,,, just like 1x^

Posted on Jun 25, 2014

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: regression line

okay this is easy but i'm doing it without a calculator infront of me in the upper right side of the calculator there is a button VARS hit it then i think you go right to function then hit enter then hit enter again. BEST OF LUCK

Posted on Nov 08, 2008

  • 8073 Answers

SOURCE: when i press the MODE button in my CASIO fx - 911ES

Hello,
Just in case : Press [SHIFT][CLR] (9) [3: ALL] to reset the calculator and try [MODE] again.
If that does not work, your calculator may be defective or a fake (not the genuine article). If at all possible, return it to where you bought it and get a refund.
moz-screenshot.png
Here is a picture of the FX-115ES, its face looks like the 991ES. Hope I am mistaken.

15199ec.jpg

Posted on Oct 18, 2009

  • 8073 Answers

SOURCE: how can i calculate probability distributions

Hello,
Not knowing what kind of probability calculations you want to perform, I can only show you how to access the distributions that this calculator has to offer.
After you enter your data and do the usual statistics, you press SHIFT STAT and select 7:Distr. You get acces to
1: P(
2:Q(
3:R( and
4: X to t, the variate.

See the exemples in the Appendix to the user's manual, in particular #059.

Hope it helps.

Posted on Oct 28, 2009

supernova278
  • 1932 Answers

SOURCE: in regression anyone know how

Hi,
You want to solve the equation?
Like 1X+2Y=3
thank you

Posted on Oct 19, 2010

  • 102366 Answers

SOURCE: I'm trying to enter this

Use the (-) key just to the right of the decimal point, not the - key. The latter is for subtraction.

Posted on Sep 07, 2011

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1 Answer

What does error syntax mean


You enter a command. It is like an English sentence with a syntax (correct structure). If the structure of the command is wrong, you have a syntax error. You could use a minus - sign, instead of a change sign (-) that constitutes a syntax error.

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You may be in a wrong MODE. But even in any computational mode you should be able to do simple operations.

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Is there a verify mode on the CASIO fx-991es plus calculator?


You should try to explore the calculator to find its capabilities. You can also read the manual. Everything is in it.
Press the Mode button, then the down arrow key. On the second page of the mode list you find 2:Verif

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1 Answer

Casio fx 991ms


On a fx-991MS? With many other models, including the fx-991ES, I'd say you have the calculator in binary mode but the 991MS doesn't have such a mode.

Aug 03, 2013 | Office Equipment & Supplies

1 Answer

Save equation fx 991es


In table Mode you can enter the formula for a function and generate a table of values. For a 991ES Plus you can enter two functions. However if you change MODE everything will be erased.
In EQN (equation) there is a certain number of built in formula types you can choose. You will be asked for the coefficients which will be used to solve the equation selected. However if you change MODE your lose what you entered. So basically you cannot save formulas to use as a memory aid (if that is what your intention is.) Sorry.

Jul 19, 2013 | Casio FX991ES Scientific Calculator

1 Answer

Error codes xs;I,0001


syntax error due to your print command
{XS;I,0001,002C4100'} and not xs;I.....

Jun 10, 2013 | Toshiba TEC B-SX4 Thermal Label Printer

1 Answer

How do I type an equal sign into the calculator? As in 5x+6=6x-3. I want to put this equation into the calculator, but i cannot figure out how to type and equal sign


Look at the top left corner of the keypad. If you have a = sign marked on the f ace of the calculator (near a CALc or Solve key) you can enter the = by pressing [ALPHA] then the key next to which there is an = sign.
If you do not have that second = sign, you cannot enter it.
The FX-115ES and the FX-991ES do have that sign to allow the user to enter equations. In your calculator you only have three calculational modes: the general COMP mode, the STAT mode and the Table Mode. No equation mode. Sorry.

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1 Answer

Determine the coefficients of the equation y=ax^3 + bx^2 + cx + d so that it will have critical points at ( 1, 0) and ( -2, 27).


I will give you a solution for a ti-83 Plus or ti-84 Plus calculator as they are very similar.

You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. You desire a cubic function so it is number 6, so you hit [enter] on number 6 and then you will be at the home screen with CubicReg already written. You just have to complete the statement and it will do it for you. hit the [2nd] [1] and then the comma button, then [2nd] [2] and [enter]. that will do it for you. Also if you want the equation to appear in your y= menu, you can hit [2nd] [stat] and then search for the Y1, but make sure you have a comma between the L2 and the Y1.

Mar 24, 2011 | Office Equipment & Supplies

1 Answer

How to find roots of a polynomial using fx 115 ms


It depends on the degree of the polynomial.
If polynomial is od degree 2 or 3 you can use the EQN mode (the equation MODE) by pressing [MODE][5:EQN] to enter Equation mode then press [3] for quadratic polynomial or [4] for a cubic one.
You will then be prompted for the various coefficients. The canonical form of these polynomials is aX^2 plus bX plus c= 0, and aX^3 plus bX^2 plus cX plus d=0.

If polynomial is of degree higher than 3, or for a general non-linear equation you must use the Solve( feature. See example #017 on page 6 of the appendix to the manual.

Nov 28, 2010 | Casio FX-115ES Scientific Calculator

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