• Calculators On-Line Center (Martindale's)
  Extensive collection of specialized calculators.
• A Dictionary of Units
  
A summary of most of the units of measurement in use (and a few of historical interest), together with conversion factors and a conversion calculator.

• A Dictionary of Weights, Measures, and Units
  Definitions of all the units, prefixes, and styling of the Système International (SI), as well as industry-specific and traditional terms currently in use (Oxford Reference Online collection).
• How Far Is It?
  The distance between two cities "as the crow flies".
• Measure 4 Measure
  Extensive collection of specialized calculators.
• The Salary Calculator
  Compare cost of living in cities in the U.S. and foreign cities (National Association of Realtors).
• Universal Currency Converter
  Perform interactive foreign exchange rate calculations on the Internet, using live, up-to-the-minute currency rates.

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This page was last updated 10/23/2007 MW