To ensure a better experience on ACFE.com, we strongly recommend you upgrade your browser to one that supports current standards. We recommend Internet Explorer 9 or newer, Chrome or Safari. If you are using Internet Explorer 9 or newer, we recommend turning off compatibility mode.
Product of sequences. The product operator for the product of a sequence is denoted by the capital Greek letter Pi â (in analogy to the use of the capital Sigma â as summation symbol). The product of a sequence consisting of only one number is just that number itself.
The mathematical symbol for pi (far left) and the two shorthand symbols signify the Plaintiff. The Greek letter Delta, a triangle, is a shorthand symbol for the Defendant. This is the section symbol and is also known as the double S It refers to a section of a document, such as statutes, within case law documents.