Calculations

Here are some selected links you might like to try.

Please note: sites open in a new window

eFunda
Short for Engineering Fundamentals, it provides a variety of information to aid in the solution of complex design problems. An extremely useful engineering reference source.
http://www.efunda.com/home.cfm|

Engineers Edge
Design and engineering resources, featuring a variety of online calculators, definitions, etc.
http://www.engineersedge.com/|

National Calculation Method
The National Calculation Methodology is the procedure for demonstrating compliance with the Building Regulations for buildings other than dwellings by calculating the annual energy use for a proposed building and comparing it with the energy use of a comparable 'notional' building. The site has a downloadable calculation tool.
http://www.ncm.bre.co.uk/index.jsp|

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