JSCalc

When you judge whether a screen is high-resolution or actualy sharp, the relevant number is pixel density. When marketing materials tout 4K or QHD, they’re … Read More

Why do most image edits go wrong? Because somebody made an image too small (or big) but forgot to lock aspect ratio. Stretch a logo … Read More

And then, once you’ve got this sixteen-to-nine screen, you put your video in and realize: whoops, there’s all these black bars! But why? Because when … Read More

There’s a reason that marketing likes to tout the diagonal measurement: It sounds larger than height or width by itself. But as you’re standing in … Read More

The server room is a hostile place for computers. It’s not only hot, it’s aggressively full off heat. Each watt of electricity flow into a … Read More

The power bill for a data center shows you a big number for electricity use, but that’s just one number hiding many more truths of … Read More

The Server Sizing Calculator will tell you how much hardware you need for a given workload. Unlike past methods (copying last year’s fleet or guessing … Read More

Think about how faster machines, double the cores, for example; will speed up your simulations. The classic solution is Amdahl’s Law, which says there is … Read More

The Amdahl calculator will help you understand the impact of adding more cores. It relies on an equation from 1967 which illustrate the limits of … Read More