HTML. First developed by Tim Berners-Lee in 1990, HTML is short for HyperText Markup Language. HTML is used to create electronic documents (called pages) that are displayed on the World Wide Web. Each page contains a series of connections to other pages called hyperlinks.
Formal methods. In computer science, specifically software engineering and hardware engineering, formal methods are a particular kind of mathematically based techniques for the specification, development and verification of software and hardware systems.
Engineering is a career that involves using math and science in order to solve a problem. There are several types of engineers, with chemical, civil, electrical, mechanical, and industrial engineers making up the bulk of the professionals in this large field.