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John D'Errico


Retired

Last seen: Today |  Aktiv seit 2006

Followers: 28   Following: 0

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A retired applied mathematician, consultant, sometime mechanical engineer, numerical analyst, woodworker, bridge player. Please DON'T contact me, as too many students then decide I am their personal consultant if I allow it. I won't do consulting by mail.

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    20 Jul 2017
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    20 Jul 2017
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    22 Feb 2019
  • Revival Level 4Revival Level 4
    15 Nov 2020
  • Editor's pick for AnswersEditor's pick for...
    17 Mar 2023
  • Most Accepted 2023Most Accepted 2023
    01 Jan 2024

Cody Abzeichen

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  • CUP Challenge MasterCUP Challenge Master
    21 Aug 2016
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    13 Oct 2016
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    28 Jan 2012
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    28 Jan 2012
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    28 Aug 2016
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    22 Jul 2016
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    10 Sep 2020

File Exchange Abzeichen

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  • First SubmissionFirst Submission
    09 Oct 2019
  • 5-Star Galaxy Level 55-Star Galaxy Level 5
    09 Oct 2019
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    09 Oct 2019
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    09 Oct 2019
  • Personal Best Downloads Level 5Personal Best...
    01 Nov 2019
  • Top Downloads 2019Top Downloads 2019
    02 Jan 2020
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    04 Jan 2021
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    06 Jan 2022
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    03 Jan 2023
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