Topics in APL

Topics in APL and J

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APL

Assorted papers, notes, essays, software on APL

All of this material may be freely used.

(Note - Working on inserting a proper licence, e.g. MIT licence)

APL Character Set and Browsers

APL Character Set and Browsers. How to get a browser to display the APL characters, and the merits of different solutions
Examples Page.
Compare different methods of displaying APL characters in a browser

Articles

Each article in this collection features a single subject or theme, an algorithm, problem, or commonly used program. They can be used as introductions to APL. If you have suggestions for other topics, feel free to contact the Toolkit Editor.

Delete Redundant Blanks

The following are ideas for other articles which I haven't gotten around to writing. The functions themselves, with comments, are in the Toronto Toolkit.

"vtom" - vector to matrix
"hex"
"roman" - convert arabic number to roman numeral

Workspace Transfer Software

Different ways of approaching how to transfer workspaces and APL code between different APL systems.

Some odds and ends related to the J programming language

The J programming language is historically a development from APL. Here are some introductory documents that I wrote when I was actively learning and using the language.

A checklist of J concepts
- A note on the J language from a conceptual point of view.
Programming in J with words
J Word List
Table of J primitives
Delete Redundant Blanks
- Article discussing an various algorithms including array algorithms programmed in J for removing blanks around and within a character string