Overview of functions

General (overview of functions by group)

The names of the functions in German are also given in brackets.

Both the English and German function names can be used.

The ePOS functions are divided into the following areas:

String functions	Text length, text search, text comparisons etc.
Mathematical functions	Trigonometric functions, rounding, exponents etc.
Data type conversion	Convert string <-> number
Dialog functions	Screen input/output functions
NoVal/Undef functions	Setting and verification of NoVal/Undef functions
Parameter group functions	Copying, initialising etc. of parameter groups
Sequence control	Starting, ending and opening a logic
Linked functions	Open other applications, e.g. text editor
Environment functions	Reading/setting environment settings
Watch functions	Checking and testing ePOS logic
File functions	Input/output of formatted ASCII files, deleting files
Image functions	Functions for image processing
SQL functions	Data exchange via SQL
Document generation	Create RTF, HTML and XML documents
XML functions	Functions for importing/exporting ePOS parameters into XML files
ADO functions	Data exchange via ADO
PSIPENTA interface	Interface for the ERP system PSIPENTA
ABAS interface	Interface for the ERP system ABAS
Word interface	Create Word documents
Excel interface	Read/write Excel documents

You can find additional functions under:

Additional ePOS functions. ePOS system function extensions with decision tables from TDV group.
Data exchange with SalesManager.
Drawing generation with Visio Technical.
Operators. Some functions are also illustrated directly through the operators.

The following general rules apply to all ePOS functions:

Function calls can be nested as desired.
A constant, parameter, or formula of the appropriate data type can be used for every argument.
A function’s return parameters must always be assigned.

Further details about function calls are located under Structure of function calls.

All function names are available in English and German. These names are displayed in the relevant function description heading. The language can be changed during operation in the Input Assistant, though the language of the function calls used in the decision tables will stay in place.