Online calculator with links to other online calculators. Supports calculations on: Fractions, Scientific Currency, Time and Unit Conversion. The site has a built-in subject portal.

FXConverter (Foreign Exchange Currency Converter) is a multi-lingual Currency Converter with up to date exchange rates provided from leading market data contributors and is filtered for validity. To get the exchange rates for any of the 164 currencies, select the desired currencies from the option list, as well as the date, language, and amount for which you would like to conduct the currency conversion. Click on "Convert Now" to get the results of your currency conversion.

The site has interactive calculators for many measurement systems both commonly used like metric and U.S. Measurements available for conversions at this include: Weight and Mass, Distance and Length, Measures of length, Capacity and Volume, Liquid and dry measures of volume, Area units, Speed, Temperature, Pressure, Energy, Power, Circular Measure, Computer Storage, etc.