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marfre has helped students times in
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Longest streak: 108 days
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  • Someone from United States
    Someone from United States i like the explination
    for this answer
    2 days ago
  • Someone from Spain
    Someone from Spain This info has helped me understanding how to sinplify equations. When I have math exams or homeworks, I'll know what to do. for this answer
    1 week ago
  • Someone from United States
    Someone from United States Really helped me understand how there are 2 horizontal asymptotes for this answer
    2 weeks ago
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marfre

I worked as a mechanical engineer doing FEA on cranes. Then I switched to writing CAD software using FORTRAN, C, C++. While raising my son I started teaching high school math and physical science courses and did FTC robotics. I recently retired from teaching and am now tutoring part-time.


34K karma · Brighton, CO
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Level 13 in Algebra Level 8 in Calculus Level 8 in Trigonometry Level 7 in Precalculus Level 6 in Chemistry Level 6 in Geometry Level 5 in Prealgebra Level 4 in Statistics Level 3 in Physics Level 3 in Anatomy & Physiology Level 1 in Organic Chemistry I
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