SCIENTIFIC CALCULATOR

Tools

Other scientific calculators

Google scientific calculator is good.

Wolfram Alpha is amazing. In fact, it is much more than a calculator.


Unit converters

Digital Dutch has a very nice unit converter.

The Wolfram Alpha can also be used as a unit converter.


Reference materials

Fundamental Physical Constants are provided online by the National Institute of Standards and Technology.

The "FUNDAMENTALS OF ENGINEERING SUPPLIED-REFERENCE HANDBOOK" is probably the best free engineering handbook on the web. You can get it from the NCEES website (where they ask you to register) or from another place or from another place (where they don't).


Other links

If you are not 100% clear how scientific notation works and why we use it, this video explains it very nicely.





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