P J B Computing

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Perl

Examples of Peter Billam's work in Perl include

• muscript, the free music typesetting software
• The Perl Modules
  • Term::Clui   (a Command-Line User Interface, my favourite module)
  • Math::Evol   (Evolution-search optimisation)
  • Crypt::Tea_JS   (the Tiny-Encryption-Algorithm in Perl and JavaScript)
  • Math::WalshTransform   (Fast Hadamard and Walsh Transforms)
  • Math::RungeKutta   (Integrating Differential Equations by Runge-Kutta methods)
  • CGI::Htauth   (Authentication services for CGI scripts)
  as available from search.cpan.org/~pjb, or from any of the CPAN Mirrors in the directory authors/id/P/PJ/PJB/

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HTML

Peter Billam's work in HTML includes the pages of this site.

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JavaScript

Examples of Peter Billam's work in JavaScript include:

• The Perl CPAN Module Crypt::Tea_JS
• The online game of Laska play_laska.html
• The online Esperanto dictionary eo_en.html
• The Leitmotifs of Wagner's Ring Cycle

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PostScript

Examples of Peter Billam's work in PostScript include

• muscript, the free music typesetting software
• The line_drawing.ps line-drawing subroutines for artists
• The colours.ps colour-handling subroutines for artists
• The brownian.ps subroutines for random fractal ("Brownian Noise") curves and landscapes, for artists to generate horizons, cloudscapes, interestingly textured backgrounds, etc . . .
• A self-portrait using these subroutines
• The Perl script include_run to include all run-files into a PostScript file
• Various patterns for making juggling equipment
• A comparison of Perl and PostScript as programming languages, which would serve Perl people as an introduction to PostScript

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See also . . .

• The paper on Security presented to the AUUG Summer Seminar in Hobart in 1997
• The paper on Internet Payment Systems presented to the Tasmanian Ingres User Group on 28 Oct 1998
• A first Introduction to HTML
• A reference list of ISO characters (European accents like grave, cedilla, umlaut) and how to express them in Octal and HTML and produce them with the ALT key on a US-ascii keyboard
• Peter Billam's C.V. and resume and contact details

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Other Sites . . .

• POS Software & Systems Group - Point of sale software and equipment for small to large retailers
• mojoscripts.com - Interactivate your website with MojoScript's CGI Scripts
• ascripts.com - Run-Your-Own-Service with AScript's Traffic Exchange Software
• www.inkguides.com is a collection of PostScript and GhostScript resources

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