Because my memory is terrible (no pun intended), I never remember to include the -h flag when I type ls on the command line, and because I'm not that good at maths, whenever I see a command line telling me that a file is so many bytes I can never work out what that means. So I built this quick calculator to tell me.
Work out image ratios and scale proportionally
Examples of PHP date formats
A calculator for image size
PHP internationalisation example
Clock animation for multiple time zones