Question about Casio FX-115ES Scientific Calculator

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Can't get rid of DEG in calculator display

I have just bought this calculator Casio FX-82 Solar Fraction at a jumble sale and have been playing around with it. Now, whenever I start it up it shows DEG in the display and I can't get rid of it. Is it supposed to do this? If not, what can I do to put it right? I am wanting to put it on Ebay!

I'm not technical, so if you know the solution, please keep it simple, thank you.

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  • madasaballoo Feb 09, 2009

    Thank you very much. Casio forum sorted it - it's not a problem, it's normal.

  • madasaballoo Feb 11, 2009

    This is a rechargeable calculator with a solar cell. No batteries.

    I went to the Casio forum and they sorted it, thanks.

    I posted this on Feb 9th, above. But thanks for trying.


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Posted on Feb 09, 2009

  • ROD GANDY Feb 11, 2009

    remove the batteries and put them back in a few minutes


    maybe the wrong type of batteries installed in the calculator, take it to radio shack and try alcaline and non alcaline batties,

    maybe on of the memory functions for that calculation forumula tool is locked into the memory save, one of the keys maybe mc memory clear, the other two memory is[M-], memory key is MR,

    clear the field, check the science keys memory, may of go turned on by accendent and this is why you found it for sale becuase of the same issue or problem turning it off.

    ************IMPORTANT INFORMATION FOR YOU*******************




    and that is how i found your information for you


    display deg when i turn on my calculator

    good luck



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How do I clear "DEG" from display?

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If you mean the one marked "e" then this gives you the value of Euler's constant e.

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To change the exponential display format, press the [MODE] key 3 times.

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Press 1: Scientific Notation: 0

Press 2: SCI: 0

Press 3: NORM

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My daughter is starting 6th grade and they have asked her to get a T1-30XA or TI-83/TI-84, she is not advanced in math. Which on would you recommend ?

The Ti83/84PLUS are a lot more advanced than the TI-30XA because thaeu can graphs, statistics, calculus etc. But they lack a key for the % function, and a key for the fraction manipulation, the angle unit conversions (deg, radians, et grads) and they are a lot more expensive than the TI30XA.

Before your daughter finishes high school, you will eventually have to buy her a graphing calculator but right now a TI83/84Plus calculator seems like overkill. Besides some teachers may not let students have graphing calculators during exams.

Honestly I suggest you buy the TI-30XA Solar version. There are some new nifty calculators manufactured by Casio (Casio FX-115ES, FX-991ES, FX-300ES), Sharp (El-506W, 516W ). The beautiful thing about these new kinds of calculators is that you can configure them to use the Textbook display: equations and expressions can be entered as they would appear in textbooks. The Casios are called Natural Display and the Sharps are know as WriteView models.
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When you are calculating trigonometric functions the results depend on the angle unit the calculator is configured for
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From the equivalence 180 deg =Pi radians you get
1 rad= 180deg/Pi=180 deg/3.14..=57.29577951 degrees.

The DEG indicator merely reminds you that angles are in DEG. If you change the unit to RADians the RAD indicator will be displayed instread.

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