The output shows every step of the formula, making it easy to verify the logic and catch errors early.

| Feature | Tekla Tedds | STAAD/ETABS (FEA) | Excel + Manual | | :--- | :--- | :--- | :--- | | Analysis type | Component / analytical | Full 3D FEA | Manual formulas | | Code compliance | Built-in, extensive | Built-in (major codes) | User-defined (error prone) | | Documentation | Automatic, fully detailed | Summary reports only | Manual (slow) | | Speed (small jobs) | Very fast | Overkill | Slow | | Learning curve | Low (engineer’s logic) | High (FEA theory) | Low but error risk | | Cost | Medium (perpetual/annual) | High | Low (time only) |

TEDDS is widely used in various industries, including:

Tedds is best described as an "electronic calculation pad." Unlike "black box" software where the math is hidden behind a graphical interface, Tedds focuses on the calculation document itself.