Peter's website random notes


note: this page requires a font which can show apl symbols.

APL and J are very different from other (more conventional) programming languages, and therefore they require a little bit of introduction. Their syntax is very dense, and can be hard to read at times for a person not very familiar with it.

To be written at some point


is the sum of the first 200 natural numbers in APL, and in J it would be