Software metrics are measures of the quality of software. They typically include measures of the complexity, understandability, testability, description and intricacy of code. The main function of software metrics is to improve the quality of computer software. In the past software metrics has focused on reliability and quality of the final software product but now the emphasis is moving more towards management of the software creation process as well as evaluation of intermediate software products. This is probably because software is becoming more and more complex and the human hours needed to write such complex software is ever increasing. In order to make the most effective use of time and resources many developers are seeking successful metrics that can be employed to facilitate such activities and make the most of the resources available to them.

One of the first software metrics was the number of lines...