Canadian Postal Code Database. Get all Canadian Postal Codes and their information in one easy to use database. 2010 Census Database. Get the 2010 Census data in an easy to use format for all summary levels: National, State, COunty, City, and Congressional District. Area Code Database.
Indicator Definition. A chemical indicator is a substance that undergoes a distinct observable change when conditions in its solution change. This could be a color change, precipitate formation, bubble formation, temperature change, or other measurable quality.
DEFINITION of 'Index'. A statistical measure of change in an economy or a securities market. In the case of financial markets, an index is an imaginary portfolio of securities representing a particular market or a portion of it. Each index has its own calculation methodology and is usually expressed in terms of a change from a base value. Thus, the percentage change is more important than the actual numeric value.