*It is shown that (b - a)/(ln b - ln a) fits between the arithmetic and geometric mean.*

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*A new technique is described for providing a geometric interpretation of a function of a complex variable.*

*Two proofs, one from calculus I, one from calculus II, that 1 - x^r < r*(1 - x). *

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If \(s_n\) is the product of the entries in the \(n\)th row of Pascal's Triangle and \(r_n = s_n/s_{n-1}\), then a proof is given of the fact that \( \lim_{n \rightarrow \infty} r_n/r_{n-1} =...

Capsules on sequences and series