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    TI-89 is a bad product

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    ChemE
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    TI-89 is a bad product

    Post by ChemE on 17th November 2009, 9:48 pm

    Howdy,

    After a long three years with my TI-89, the product has failed. The screen now has a radiating dark spot, that I expect to grow. This product is an expensive novelty calculator that should not be used by anyone in engineering who wants a high quality calculator. Depending on customer assistance, I will wage war with the TI-89 corporation. $150 for a calculator that can only last three years is too expensive. Maybe for a laptop, but not for a calculator.

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    Re: TI-89 is a bad product

    Post by Ralph on 17th November 2009, 10:05 pm

    Texas Instruments calculators have always been amazingly reliable for me. Even putting up with extreme abuse. I think your just crazy.
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    Re: TI-89 is a bad product

    Post by ChemE on 17th November 2009, 10:57 pm

    The 89 brand was reliable, however I think it is a design flaw if this happens,

    http://www.facebook.com/album.php?aid=130809&id=660426469#/photo.php?pid=3489428&id=660426469

    has the picture of the wounded
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    ThePreserver
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    Re: TI-89 is a bad product

    Post by ThePreserver on 17th November 2009, 11:38 pm

    I thought the TI-89 was great. Ironically I know someone who is selling theirs and it works! I have a TI-83+ so I have no need for one, but it looked pretty sweet.
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    Re: TI-89 is a bad product

    Post by ChemE on 17th November 2009, 11:41 pm

    I need no replacement for Sheila. It will be slide rules from now on.

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    Re: TI-89 is a bad product

    Post by Ralph on 17th November 2009, 11:49 pm

    that would be the screen makers fault, and probably not that anyway, thats from pressure being applied to it or even possibly heat.
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    Re: TI-89 is a bad product

    Post by ChemE on 17th November 2009, 11:52 pm

    Neither heat nor pressure were applied.

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    Re: TI-89 is a bad product

    Post by Ralph on 18th November 2009, 2:59 am

    that you know of?
    did you go near the animal industries bldg? perhaps the ghost did it? lol jk

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    Re: TI-89 is a bad product

    Post by Miluaces on 18th November 2009, 11:06 pm

    TI calculators are very good.
    There are 30 or so in my class and who knows how old they are. None of the screens are damaged like that. Even with drawings of things on the screen.
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    Re: TI-89 is a bad product

    Post by ThePreserver on 19th November 2009, 3:54 pm

    Yeah but you can't have a TI-89 in a class setting for most of the part. They are generally not allowed in schools. Why? Well...they actually SOLVE equations! TI-83s can't solve for x.

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    Re: TI-89 is a bad product

    Post by Ralph on 19th November 2009, 4:43 pm

    when your an engineer in calculus you cant have a calculator period for any test or quiz
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    Re: TI-89 is a bad product

    Post by ThePreserver on 22nd November 2009, 2:53 am

    Oh...that sucks.

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