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2007: Sigma takes advantage of Microsoft .NET framework for increased speed and interoperability with .NET (e.g. SQL server 2005).

2006: Sigma is now an OLE automation server which allows you to fully control it via another program such as VB, Delphi, Office or other applications.

Sigma now supports access to data through Microsoft ADO. This allows faster access to SQL data (Oracle, MS SQL server...) and greater flexibility in custom queries. It also improves the connection to MS-Access.

We added row-wise calculated fields. The equation editor supports most spreadsheet style functions. This allows derived fields from your raw data, scaling or complex manipulation of stored data. Example: two absolute measurement locations. Derived field is difference of the two, which is then plotted.