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Looking for an online calculator? There are many web-based calculators around with different purposes and capabilities. I’ve sifted through the web to pick out some of the best calculators around. Here goes: General Calculators This section lists calculators which offer general calculation capabilities. These allow you to simply type any calculation into a free-form text box [...]

The qualities of a great web application I aim to make Calcatraz into a great web application. To do so effectively it is important to understand the qualities a great web application exhibits. So what are they? Here are a few things I have thought of: 1. Punctual A web application should be quick: quick [...]

As promised in my last post, I’ve now uploaded the latest version of Calcatraz to the live site. The main feature is a new, hopefully more intuitive and consistent user interface. There are also a number of behind the scenes improvements such as general code tidy-ups. One improvement I’m particularly happy with is the integration [...]

Just a quick update on a few of the things I’ve been working on recently: A new user interface – the old Calcatraz interface has two main pages: the home page with a single calculation entry box, and the main calculation page which shows a history of calculations and other information. One thing I found [...]