language and communications

environment and weather

measures and measurements

world : country codes and abbreviations

US & Canada : postal codes and abbreviations

Beaufort wind scale

wind chill temperatures

seawater salinity and constituents

seasonal variations in solar radiation

abundance of elements: Earth's crust and sea

abundance of elements: human body

particles and particle dispersoids

vapor pressure of ice and water 

calendars:  2001   2002   2003   2004   2005

2006   2007   2008   2009   2010

musical scales

health and safety

characteristics of human hearing

typical noise levels and recommended thresholds

UPDATED : 2008-04-20

WEBSITE  EDITOR : Krešimir J. Adamić