Chapter 3.2: Superscript & Subscript
Say you want to make the date but typing 4th doesn't look too great. Well that is easily fixed. HTML has a <sup> tag (superscript) that will space it up for you, like so
September 27th 2013
Then there is the <sub> tag (subscript) that is commonly confused with the <sup> tag. The <sup> tag spaces things up for the date and such, but the <sub> script puts them down for things like chemical formulas. Just encase a text in the <sub></sub> tag and it will be indented down. Here is an example:
Water is made up of H2O
Pretty easy to make things look better, huh?