[erlang-questions] Maths Problem -> 2452.45*100. = 245244.99999999997

aman mangal <>
Wed Nov 27 02:34:23 CET 2013


Hi,

I guess it is because of floating point arithmetic not specific to erlang.
see this http://www.erlang.org/faq/problems.html#id56586

Aman Mangal
4th year Undergraduate Student
Department of Computer Science & Engineering
IIT Bombay
www.cse.iitb.ac.in/~amanmangal


On Wed, Nov 27, 2013 at 6:58 AM, Sanath Prasanna <>wrote:

> Hi all,
> when running following sample in ERL shell, I got wrong value. What is the
> reason for this?
>
> 2452.45*100. = 245244.99999999997
>
> It should be 245245.0 or 245245
>
>
> Then all the calculations became wrong in my program.
> Are there any idea regarding above?
>
> Br,
> Sanath
>
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