Question about Texas Instruments TI-86 Calculator

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Infinity symbol Pls. where can i see the infinity symbol on the calculator.I dont know how to get it.

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Hello,
I do not think the calculator can handle that concept. As to its symbol, explore [2nd][CHAR] 1 or [2nd]CHAR] 3.
Hope it helps.

Posted on Sep 23, 2009

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Infinity Symbol


Very few graphing calculators can display the infinity symbol
. Most calculators have no use for it. In all likelihood yours too.

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How can I get the comma button on canon f-604 help pls


The question is : Is there a comma button? I don't think there is one. The comma as a decimal marker is used only in France and a few other countries. On some calculators (mainly HP's) one can select to use a comma or a period (dot) but most others calculators manufactures do not bother with this distinction. In itself it is not such a huge deal.
Anyway if is available on your calculator it should be set by pressing [2nd] or [SHIFT] followed by the [.] symbol.. I checked pictures of the calculator face but could not recognize the symbol. It did not like a comma to me.

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1 Answer

How can I get the comma botton on my cannon f-604 help pls


The question is : Is there a comma button? I don't think there is one. The comma as a decimal marker is used only in France and a few other countries. On some calculators (mainly HP's) one can select to use a comma or a period (dot) but most others calculators manufactures do not bother with this distinction. In itself it is not such a huge deal.
Anyway if is available on your calculator it should be set by pressing [2nd] or [SHIFT] followed by the [.] symbol.. I checked pictures of the calculator face but could not recognize the symbol. It did not like a comma to me.

Sep 28, 2013 | Canon F604 Scientific Calculator

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What is the symbol that looks similar to an "8" that is upright, not sideways like "infinity"?


Could it be the Greek letter gamma, or the Greek letter Theta. I cannot think of any other possibility.

Sep 19, 2013 | Calculators

2 Answers

How i can get infinity symbol in casio fx-991es plus calculator


You cannot. The calculator does not have a Computer Algebra System or CAS. If you are trying to calculate an integral over an infine interval, you must try some high values to simulate infinity and find a value after which the value of the integral stops changing .

Nov 16, 2012 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

How to get infinity symbol


You cannot. The calculator does not have a Computer Algebra System or CAS. If you are trying to calculate an integral over an infine interval, you must try some high values to simulate infinity and find a value after which the value of the integral stops changing .

Nov 16, 2012 | Casio Fx-991es Scientific Calculator

1 Answer

I dont know how to use it..


For the basic functions it is exactly like any calculator. Press keys to enter a number, press an operation symbol (+, -, x , /) then the equal sign.
For the more advanced functions and functionalities I am afraid you will have to consult the manual. The appendix has examples for each type of advanced calculations.

Sep 09, 2011 | Casio fx-300ES Calculator

1 Answer

When graphing the function (x+6)/(x-7) I'm getting a vertical line showing up on the graph connecting the two curves that shouldn't be there. do I have something turned on that shouldn't be?


The vertical line is called an asymptote, it is not connecting the graph, it means that the function goes to infinity as the function nears the line. In this case the graph goes to infinity and negative infinity as the x nears 7. This is because the function becomes undefined at x = 7 , plug 7 into x and we get 1/0, dividing by zero is undefined. Thus, the calculator puts the vertical asymptote in the graph to symbolize the action of the function nearing infinity.

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Integration with limits & with out limits


Hello,
This calculator can only perform NUMERICAL DEFINITE integrals. Which meansyou have to supply the numerical value of the lower limit and the numerical value of the upper limit. The result is a numerical value.
The calculator cannot perform symbolic calculus.

If the function is simple you find the integral in tables of integrals where you will see that INT(log(X)dx=x(log(x)+1). Some calculators that have a CAS (computer algebra system) can manipulate symbolic expression, but not theCasio FX-991ES.

You ask it the value of the integral of log(X) from X=1 to X=3 and it will give you 0.5627748004

Hope it helps



Dec 12, 2008 | Texas Instruments TI-84 Plus Calculator

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