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| | Avoid for | | --- | --- | | Quick concept checks | Final design calculations | | Homework estimates (not final answers) | Peer-reviewed publications | | Field troubleshooting | Safety-critical systems (pressure vessels, load-bearing structures) | | Unit conversion | Any situation requiring traceable, validated data | www.engineeringtoolbox.com

The Engineering ToolBox is a website that provides free access to a massive collection of technical resources, tools, and basic information for engineering and design. It covers a wide range of disciplines, including mechanical, electrical, chemical, civil, and environmental engineering. (Biggest issue) | | Avoid for | |