Category:Internal Functions: Difference between revisions

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BR has numerous built-in '''internal functions''' that return either [[numeric]] or [[string]] values. By using internal  functions for tasks such as [[searching]] or [[summing an array]], both programmers and programs can be more efficient in getting their jobs done. Numeric functions may be used anywhere that a numeric expression is valid.  Likewise, string functions may be used anywhere that a string expression is valid. Internal functions usually perform generic tasks often needed by programmers.
[[Business Rules!]] has numerous built-in '''internal functions''' that return either [[numeric]] or [[string]] values. By using internal  functions for tasks such as [[searching]] or [[summing an array]], both programmers and programs can be more efficient in getting their jobs done. Numeric functions may be used anywhere that a numeric expression is valid.  Likewise, string functions may be used anywhere that a string expression is valid. Internal functions usually perform generic tasks often needed by programmers.


This section presents these internal functions in alphabetical order. It describes their purpose, provides comments and examples, and mentions related functions.
The pages below present these internal functions in alphabetical order. They describe their purpose, provide comments and examples, and mention related functions.
 
'''Note that this is the 4th section of the BR Reference. Many of the topics involved in discussing BR Internal Functions may not have been discussed yet. Most likely you will come back to this section often as you learn more and more BR material.'''


==Syntax Conventions==
==Syntax Conventions==


Numeric values are symbolized by the [[Variable|variables]] X and Y.  String variables are symbolized by A$, B$, and C$. File reference numbers are symbolized by N, where N is the number associated with an opened file.  Square brackets around a parameter indicate the parameter is optional. In all cases, the parameters or arguments which are passed remain unchanged.
Numeric values are symbolized by the [[Variable|variables]] X and Y.  String variables are symbolized by A$, B$, and C$. File reference numbers are symbolized by N, where N is the number associated with an opened file.  Square brackets around a parameter indicate the parameter is optional. In all cases, the parameters or arguments which are passed remain unchanged.

Latest revision as of 21:10, 3 July 2015

Business Rules! has numerous built-in internal functions that return either numeric or string values. By using internal functions for tasks such as searching or summing an array, both programmers and programs can be more efficient in getting their jobs done. Numeric functions may be used anywhere that a numeric expression is valid. Likewise, string functions may be used anywhere that a string expression is valid. Internal functions usually perform generic tasks often needed by programmers.

The pages below present these internal functions in alphabetical order. They describe their purpose, provide comments and examples, and mention related functions.

Syntax Conventions

Numeric values are symbolized by the variables X and Y. String variables are symbolized by A$, B$, and C$. File reference numbers are symbolized by N, where N is the number associated with an opened file. Square brackets around a parameter indicate the parameter is optional. In all cases, the parameters or arguments which are passed remain unchanged.

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