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<title>2021 notes</title>
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<h1>Review of 2021</h1>
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<ul><li>Start class at 9:00 am on first day.  Do 2 hours the first day.
<li>Define the normal vector at the same time as the tangent vector.
<li>Define circulation integral and (the other one).
<li>Definitely do the lab that explores the directional derivative.  (Not enough people were familiar with that
<li>Gotta hit the different techniques of line integrals harder.
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