The following engineering library calculations has been added or enhanced in Tedds 2023. (Note that some features documented below were included in previous updates to Tedds 2022.)

• Steel beam splice design (EN1993)
• Steel column splice design (EN1993)
• Steel hollow section tension only splice design (EN1993)
• Cross-laminated timber roof panel design (EN1995)
• Retaining wall analysis & design (EN1992/EN1996/EN1997)
• RC stair design (EN1992), Precast concrete stair design (EN1992)
• Steel column design (EN1993)
• Timber member design (EN1995)
• Batch design (Eurocode Design)