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Topic: how to round to 2 decimal?
Replies: 9   Last Post: Nov 14, 2013 8:24 PM

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Walter Roberson

Posts: 5,173
Registered: 2/26/06
Re: how to round to 2 decimal?
Posted: Mar 4, 2008 12:36 PM
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In article <fqjpru$lpj$1@canopus.cc.umanitoba.ca>,
Walter Roberson <roberson@ibd.nrc-cnrc.gc.ca> wrote:
>If you were to try to round
>(say) pi to 2 decimal places then the value stored internally
>would not correspond to 3.14 but instead to approximately
>3.14 + 2e-15


Small correction: the result is
3.14 + 1.24344978758017532527446746826171875e-16

>> sprintf('%0.60g',3.14)

ans =

3.140000000000000124344978758017532527446746826171875


--
"All human knowledge takes the form of interpretation."
-- Walter Benjamin



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