Partial Derivatives
http://www.maa.org/taxonomy/term/41610/0
enA Characterization of a Quadratic Function in \(\Re^n\)
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/a-characterization-of-a-quadratic-function-in-ren
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>The author provides a characterization of</em> \(n\)-<em>dimensional quadratic functions in terms of tangent planes.</em></p>
</div></div></div>A Quick Proof that the Least Squares Formulas Give a Local Minimum
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/a-quick-proof-that-the-least-squares-formulas-give-a-local-minimum
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><em>Use the second derivative test to establish that the regression parameters give a minimum.</em></div></div></div>Counterexamples to a Weakened Version of the 2-Variable 2nd Derivative Test
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/counterexamples-to-a-weakened-version-of-the-2-variable-2nd-derivative-test
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><i>Two counter examples are given for the way the second derivative tests are stated in calculus books.</i></p>
</div></div></div>MIT Open Courseware: Vectors, Partial Derivatives, Multiple Integrals
http://www.maa.org/programs/faculty-and-departments/course-communities/mit-open-courseware-vectors-partial-derivatives-multiple-integrals
Directional Derivatives and Gradients (Classroom Capsules and Notes)
http://www.maa.org/programs/faculty-and-departments/course-communities/directional-derivatives-and-gradients-classroom-capsules-and-notes
Differentials (Classroom Capsules and Notes)
http://www.maa.org/programs/faculty-and-departments/course-communities/differentials-classroom-capsules-and-notes
Partial Derivatives, Differentiability (Classroom Capsules and Notes)
http://www.maa.org/programs/faculty-and-departments/course-communities/partial-derivatives-differentiability-classroom-capsules-and-notes
Bridging the Vector Calculus Gap
http://www.maa.org/programs/faculty-and-departments/course-communities/bridging-the-vector-calculus-gap
Banchoff's Chain Rule Applet
http://www.maa.org/programs/faculty-and-departments/course-communities/banchoffs-chain-rule-applet
How Euler Did It: Mixed Partial Derivatives
http://www.maa.org/programs/faculty-and-departments/course-communities/how-euler-did-it-mixed-partial-derivatives
Maplets for Calculus
http://www.maa.org/programs/faculty-and-departments/course-communities/maplets-for-calculus
Rutgers Maple Help on Intermediate to Advanced Maple
http://www.maa.org/programs/faculty-and-departments/course-communities/rutgers-maple-help-on-intermediate-to-advanced-maple
Multivariable calculus and vector analysis
http://www.maa.org/programs/faculty-and-departments/course-communities/multivariable-calculus-and-vector-analysis
Visualizing Leibniz's Rule
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/visualizing-leibnizs-rule
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>The author presents a geometric interpretation of Leibniz's rule for differentiating under the integral sign, and gives an informal visual derivation of the rule. </em></p>
</div></div></div>