Good looking fonts alone won't necessarily make a beautiful, well balanced design.

We'll need a little math to step in to help us so that we'll be able to build a report of values between each element of our text– for it to appear harmonious, rhythmical, and more readable.

We need to define a scale.

You may not know it – but you look and use the classic typographic scale every time you fire up Adobe InDesign, Microsoft Word, or any modern software: the standard point sizes that are given to you are just that.

In a scale, each element answers to the scaling property, meaning that where x is a value, rx or it's ratio must be present inside the scale as well.

That ratio element is the foundation of the scale – and it's the numeric value we are going to work on.

The classic typographic scale is made of these values: 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 21, 24, 36, 48, 60, 72. You recognize it now, don't you?

Another important property of a scale is the number of the notes. Each...