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Bill Dubuque

The essence of mathematics lies precisely in its freedom. - Georg Cantor

Once you have experienced flight in mathematical skies, you will forever walk the Earth with your eyes turned skyward, for there you have been, and there you will always long to return.

The image in my avatar depicts Klein's j-function.

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13 Remedial students struggle with factoring $x^2+bx+c$ and $ax^2+bx+c$ Apr 21 '15
9 How to correct visualization of mathematical expressions? Sep 16 '18
9 Algebraic Solving and Uniqueness Proofs Apr 21 '15
8 'Low-algebra' examples of induction Sep 13 '18
8 Greatest common divisor applications May 16 '17
8 Examples of proofs that use a cycle of implications to prove equivalence Jan 27 '15
5 How to show $(x - a)$ is a factor of a polynomial $p(x)$ if and only if $p(a) = 0$ (without division) May 8 '18
4 Beyond cubic polynomials: Applications? Sep 30 '18
3 Intuition for the mean for elementary school kids Sep 30 '18
3 How to explain the flipping of division by a fraction? Sep 17 '18
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