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Recently I attempted to define in as objective a way as possible how much value my online calculator is providing to its users. The idea is to come up with an equation which gives me a ‘score’ of how much value has been provided to users. With this, it will then be possible to optimise [...]

Recently a number of changes I made to the calculator have been causing a bit of a performance hit. To counteract that I’ve been through and made a few simple changes: Removed some external file includes which were no longer needed Implemented better caching to prevent unnecessary re-requests Modified the core to minimise the amount [...]

Happy new year, everyone! 2009 was a very exciting year for me. The idea for an online calculator  has been kicking around my head for a few years, getting progressively refined. As of March 2009 I began work on turning it into more than an idea. The first few months were spent progressively refining the [...]