Archivist, British APL Association
Former roles: Senior Scientific Officer, Police R&D Branch, Home Office, UK.
Human Factors Engineer, IBM UKSC, UK and IBM Hursley, UK.
Principal Lecturer and Reader in Computer Studies, Sunderland University, UK.
Software Developer, IAChi, Adaytum, Cognos.
Email: <<MailTo(earthspotty AT SPAMFREE gmail DOT com)>>
NuVoc The Accessible Dictionary easy alternative to the J Dictionary for newcomers APWJ At Play With J by Eugene McDonnell J community venture, published by Vector Books APL2JPhraseBook An APL to J Phrasebook For APLer learning J: what's the J primitive
for a given APL primitive or construct?
User:Ian Clark/KillerApp The killer app -- how to make millions
with ground-breaking software
Invited paper; APL Berlin 2000 Vocabulary/Unreadability The alleged unreadability of J why is J singled-out for its perceived unreadability?
Apps, Addons, Techniques
Download the best-known APL font: APL385 Unicode
Guides/iOS J901 for iOS: J IDE for iPhone / iPad must be downloaded from the App Store using an iOS device TABULA TABULA: On Beyond The Scientific Calculator implicitly converts units, DB of constants, retrofits alteration to calculated values User:Ian Clark/LoBrow LOBROW: a lo-intelligence J-locale browser in-situ defn editing, generating script of updated locale User:Ian Clark/credo Artificial Catholicism case study in translating from BASIC to J Addons/format/zulu ZULU: Stringlist conversion package library of verbs to convert stringlists between different formats Guides/Tacit_to_explicit_roadmap Tacit to explicit (explication): a roadmap explaining tacit code: a survey of relevant stuff in J Help and J wiki Scripts/Belcanto Controlling the Eigenharp via Belcanto from J the key to writing J apps for the Eigenharp Essays/Unicode Histogram Unicode Histogram a simple histogram in unicode chars, with animated demo User:Ian Clark/iCan iCan -- Mac icons to run a given J script copiable icon for dropping-into Dock, runs eponymous script User:Ian Clark/APLChars APL chars for reference and code composition APL chars in Dyalog ⎕AV layout, plus screenshot to verify APL385 Unicode font installed User:Ian Clark/AplPalette APL Palette for on-screen typing of APL chars crudely designed, but serviceable for APL code on jwiki Guides/UnicodeGettingStarted Getting Started with Unicode in J a complete beginner's introduction to J support for Unicode User:Ian Clark/YellowJ Terminate a timer-process with the yellow J A technique for watching the jbreak file to see the timestamp change Guides/Covering_a_verb Probing a J utility by covering verbs a technique to show the x- and y-arguments a given verb is being called with