From their homes, virtual authorâs assistants organize the publishing process for authors anywhere in the world. A typical day might be on the phone, coordinating the activities of the author and several other professionals, doing research on the Internet and answering and sending emails.
(Jump to Area of a Rectangle or Perimeter of a Rectangle) A rectangle is a four-sided flat shape where every angle is a right angle (90Â°). Opposite sides are parallel and of equal length (so it is a Parallelogram).
Rectangular Matrix (a.k.a. Data Matrix) The base data type in PASSaGE is the rectangular matrix (also called a data matrix; these terms are used interchangeably throughout the manual). These matrices may have any number of rows and columns, containing either numeric or text values. These data matrices generally have two forms.