Polynomials are probably the most usual types of functions out there, because they do not need any heavy machinery to be introduced: all one needs to know is how to add and multiply numbers. This alone justifies a discussion of polynomials. However, seeing polynomials as merely "simple functions" is reductive, and indeed, a more abstract … Continue reading Polynomials


What is a function? It would be tempting to answer this question by writing a function. It probably involves a variable, a couple exponents, some additions and products; maybe, to make the heart content, top this up with a bevy of trigonometric functions, logarithms, and other exponentials. What do we get? Well, some kind of … Continue reading Functions