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    Calculators - any Maths whizs around ?

    which of these is the better calculator. might as well get the best one, or is each slightly different ?;

    Casio FX991ES

    CASIO FX85ES

    CASIO FX83ES

    many thanks

    11 Comments

    Used the -85 for 4 years and it was great, the -91 is the same but in silver with MORE features, just upgraded to one. Tis good.

    Banned

    the 91 is def the best of the three but it all depends on what you use it for

    This one is great








    http://img38.imageshack.us/img38/6325/abacusp.jpg

    :p:whistling::thumbsup:

    Disco;7386948

    This one is great :p:whistling::thumbsup:




    +1

    I was recommended the 83 by my a-level maths teacher

    Disco;7386948

    This one is great :p:whistling::thumbsup:



    But will it tell me the cosign of 2 pi?

    I prefer this way

    http://www.istockphoto.com/file_thumbview_approve/8373245/2/istockphoto_8373245-counting-fingers-from-zero-to-five.jpg

    EndlessWaves;7387416

    But will it tell me the cosign of 2 pi?



    You should know that by heart!

    pghstochaj;7387469

    You should know that by heart!



    Well if you want a hard one then how about the cosign of 2 pi degrees?

    EndlessWaves;7390863

    Well if you want a hard one then how about the cosign of 2 pi degrees?



    Fair example now ;-)

    Surely a true maths whiz wouldn't use a calculator, so wouldnt know which is best
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