Torsten Schoeneberg
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How can you explain to students that they should not use the same variable in an integrand and in the limits of integration simultaneously?
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The way a calculus course is usually built, before integrals you do Riemann sums and before that you do sums. I try to stress from the beginning in the sums that the running index is a "dummy variable"...

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Mnemonics for some properties in mathematics
1 votes

Last year I heard of $$\text{Lo De Hi Mi Hi De Lo}$$ $$\text{(sing: "Low Dee High my High Dee Low!")}$$ as a mnemonic for the numerator in the quotient rule: $$\left(\frac{f}{g}\right)' = \frac{g\...

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