Applications of PISA

This section discusses PISA’s use in several typical classes of applications. It does not define any properties of the PISA system but merely serves to support the understanding of PISA and to clarify its design guidelines. Since the role of an algorithmic language in application programming is well understood and not vastly different from language to language, the main weight of this section lies on describing the use of PISA’s interfaces and of the PISA system as a whole. Besides this, the economy of interactive software production is discussed in a few paragraphs.