Understanding SpreadsheetGear 2017 starts with a few key concepts such as workbook sets, workbooks and charts which are covered from a birds-eye view here.

You can learn more about the redistributable SpreadsheetGear assemblies in the SpreadsheetGear Assemblies overview.

For a comparison of the SpreadsheetGear API to the Microsoft Excel API see the SpreadsheetGear API overview.

To see these key concepts in action as well as drill down into the details, check out the SpreadsheetGear 2017 Samples.