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You can download the following manuals and other supporting documents, in PDF format.

APLX Reference Manuals

APLX Language Reference Manual Version 5.0 (5.0 MB)

This manual describes the APL language as implemented in APLX, including details of the new object-oriented language extensions. It covers APL data, operators, and primitives as well as system functions and variables.

APLX System Classes and User-Interface Programming (4.2 MB)

This document describes user interface programming in APLX. APLX includes an extensive set of cross-platform classes which allow you to build sophisticated yet portable graphical front-ends to your APL programs. Also covered in this manual is APLX Multi-Tasking, the Chart object for drawing graphs, and the networking facilities.

You can also access the complete help pages for APLX on our website

Introducing APL

For an excellent introduction to the power and elegance of APL, we recommend the article APL – a Glimpse of Heaven by Bernard Legrand on the British APL Association's web site.

Learning APL

If you are new to APL, here is what you need to get started:

MicroAPL's APL Tutorial

This on-line tutorial includes many practical sessions to help you learn about APL.

A Practical Introduction to APL 1 & APL 2 by Dr Graeme D. Robertson (656KB)

This introduction to APL is made available by kind permission of Dr. Graeme Robertson. Although not aimed specifically at APLX, it provides an excellent starting point for exploring the APL language, using a practical, tutorial approach which you can develop further by studying the APLX Reference Manuals.

APLX Application Notes

These provide technical notes on specific aspects of using or interfacing to APLX:

Interfacing to the World Wide Web using APLX for Windows (168KB)

This note describes how you can use APLX in conjunction with Microsoft’s Internet Explorer and other Microsoft components to integrate World Wide Web access into your APLX for Windows applications. (Note: In APLX Version 3, you can also use use the built-in Browser object).

Interfacing the Apache Web Server to APLX (272KB)

This document describes how you can use APLX in conjunction with Apache, the widely-used open-source web-server software, to serve data from your APLX applications to web pages accessed by any standard browser.

Articles about APLX

The following list includes some of the articles about APLX which have appeared on other web sites:

• The APL Wiki includes an article on Using Windows Presentation Foundation (WPF) and XAML to create rich user interfaces using APLX for Windows.
• A talk given at the BAPLA09 conference on the new APLX Version 5 interface to the R statistics package has now written up as an article in Vector 24.2
• MicroAPL gave a talk 'Classes as a tool of thought, or: acquiring a new father after you’re born' at the British APL Association's AGM in June 2008. The talk explores how the interactive nature of APLX makes new object-oriented development techiques possible.

• A review 'APLX version 4 – from the viewpoint of an experimental physicist' by Dr. Beau Webber is included in Vector 23.3. "What is it about MicroAPL’s APLX, version 4 that now makes it, for me, the preferred design platform?"
• Also in Vector 23.3 is an article 'Tutorial: User-Defined Classes in APLX Version 4' by Simon Marsden, a member of MicroAPL's development team.
• An article in Vector 23.1 discusses our 64-bit version of APLX and some of the design decisions behind it.
• Vector 21.4 includes a very full account of the SQL support in APLX Version 3 by Ajay Askoolum, using a wide variety of different data sources. Go to the full article...
• The APLX Version 3 Charting facility was reviewed by Adrian Smith in issue 21.3 of Vector, the Journal of the British APL Association. "Seriously, this is very well done indeed...a really worthwhile addition to the APL environment". Click here to read the full article.