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* Introduction:
- This Module is a Library based Perl code.
- The library provide:
- Convert INFIX expressions to POSTFIX;
- Convert POSTFIX expressions to INFIX and;
- Perform POSTFIX context validations.
- Context validation can be implemented in item selection routines or data context validation, when it is possible to identify data to be selected or ignored in some data analysis process.
* NOTE:
- Before any implementation, we recommend details in WIKI...