Expressions

Revision as of 02:18, 13 October 2017 by Max (Talk | contribs)


This section explains how to write expressions in the Analytica language, such as

(-B + Sqrt(B^2 - 4*A*B))/(2*A)

You use expressions in the Definition of a Variable or Function to say how to calculate. An expression can be simply a literal number (including Boolean or date), a text value, or the an identifier of a variable. Or it could be an arithmetic expression, a comparison or logical expression, IF THEN ELSE, or a function call, such as Sqrt(B).

For details on more advanced constructs, such as BEGIN ... END statements, For and While loops, local variables and assignments, references and data Structures, and handles to objects, see Procedural Programming. Analytica has the expressive power to express such concepts, too, and includes a general computer language, like Visual Basic or C++.

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