Creating a Pixel Font from scratch

“I like designing fonts. I like designing pixel fonts. I don’t like how difficult it is to get them to work. For this reason, i’ve written a short guide to creating cross platform pixel fonts… We’ll start with some maths first. Fonts are designed in the abstract ‘FUnit’ measurement. FUnits make up the also abstract ‘Em-Square.’ The number of FUnits in an Em-Square is a value you choose when creating a font…” Thanks whatdoiknow.org