I occasionally write small javascript programs, usually as mental exercise rather than to serve any useful purpose. On the off-chance that somebody might find them useful, I'll upload them here and make them available under a free and open source software licence.

Day of the Week Finder

This web page tells you what day of the week a given date was or will be.

Simple APR Calculator

This is a very simple APR calculator which gives the APR for a loan which is repaid with equal weekly or monthly payments.

Counter for Alternative Vote Elections

This web page will determine the result of an election conducted using instant run-off voting to fill one post.

Single Transferable Vote Counter

This web page will determine the result of an election conducted using the Single Transferable Vote to fill multiple posts.

Closed List Vote Counter

This web page will determine the result of an election conducted using closed lists.

Random Background Image

This shows how to use Javascript to make the background image of a web page change randomly when it is opened.