Code experiments

A selection of code I've written. Hopefully it will be useful to somebody.

Running pace calculator
Image aspect ratio and resizing calculator
Work out image ratios and scale proportionally
QR Code Generator
Date Format Demonstrator
Examples of PHP date formats
Display last.fm images on a Drupal site
Bytes and megabytes conversion calculator
Convert between memory units
Image layout - size calculator
A calculator for image size
PHP International Language and Locale codes demonstration
PHP internationalisation example
PHP / jQuery / CSS3 timezone clocks
Clock animation for multiple time zones