• Web 2.0 scientific calculator: A decent scientific calculator with graphing.

• Trigonometry Calculator: A basic trigonometry calculator. Enter data or slide a scale.

• Numerics Calculator (h/t http://www.thetoolbox.cc/): A decent scientific calculator.

• Weird Converter: A fun site where you can find out the weight, length, height, volume, or something using everyday items as measurement tools.

• Graphr: A Java-based graphing calculator. Nice and clean.

• Calculator Pro: A large set of calculators form science and conversion to health and construction.

• EasyCalculation: A long list of various calculators and converters.

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Updated November 9, 2017