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Simple calculation is producing the wrong answer
 Rank: Newbie
Groups: Registered
Joined: 14/09/2011(UTC)
Posts: 8
Location: USA
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Hello,
I have come across an error when doing the folowing calculation.
-5.00+.85+.85+3.30=-4.44*10^-16 ( decimal places are set to 2)
The above equation should equal zero.
I am using the portable version .93 (build 4466 ) on Windows 7 Pro 64bit.
Thanks in advance.
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Rank: Newbie
Groups: Registered
Joined: 14/09/2011(UTC)
Posts: 8
Location: USA
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Hello,
I was wondering if anyone else can reproduce this symptom.
Thanks,
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  Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,616   Was thanked: 1978 time(s) in 666 post(s)
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Hello lcesero. Yes, I've reproduced it. The only thing I can do here is to add an ability to replace answer with 0 if the result accuracy is less then or equal 10^-16. This way used by Mathcad as an option of every equation. Will think about it. Best regards, Andrey Ivashov. Edited by user 01 May 2012 21:30:00(UTC)
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Simple calculation is producing the wrong answer
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