Tekla Tedds is software for performing structural engineering calculations. You can choose to run it as Tedds, or as the more sophisticated Tedds for Word.

Using Tedds you can:

- Access standard calculations by using the Library Access System.

Using Tedds for Word you can:

- Define and perform your own calculations in any Microsoft Word document quickly and simply.
- Access standard calculations by using the Library Access System.
- Access component calculations by using the Library Access System.
- Include engineering data in your calculations by using data lists, data tables, and data graphs.
- Calculate anything from a single calculation to an entire document.
- Automatically verify the dimensional accuracy of your calculations by specifying the appropriate units for your variables.
- Define multiple calc sections in your document, so that the same variables can have different values within your document.