Absolute References. An absolute reference does not change when you move or copy a cell. We use the $ sign to make an absolute reference â to remember that, think of a dollar sign as an anchor. For example, enter the formula =$A$1 in any cell.bsolute References. An absolute reference does not change when you move or copy a cell. We use the $ sign to make an absolute reference â to remember that, think of a dollar sign as an anchor. For example, enter the formula =$A$1 in any cell.
Cross Platform Component Object Model (XPCOM) is a cross-platform component model from Mozilla. It is similar to Microsoft Component Object Model (COM) and Common Object Request Broker Architecture (CORBA).
An XPI file is a compressed installation archive used by various Mozilla applications, including Firefox, Thunderbird, and SeaMonkey. it may contain the primary components installed with the software, or may contain an software extension, such as a web browser plug-in.