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OriginLab produces professional graphing and data analysis software for scientists and engineers. Our products are designed to be easy-to-use, yet have the power and versatility to provide for the most demanding user.

Scisoftware is a provider of groundwater software, environmental software, groundwater modeling software, surface water modeling software, hydrology software, hydraulic engineering software, geotechnical software, borehole log software, surface mappi...

Makers of best-selling software products Surfer, Grapher, Voxler, MapViewer, Didger, and Strater. Golden Software is the leading provider of scientific graphics software in the world. Our customers include researchers in mining, engineering, and medi...

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

Since 1956, Ben Meadows has been supplying foresters, surveyors, wildland firefighters and natural resource professionals with the essential gear they demand. Check out our forestry supplies and more now.

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USGS California Water Science Center information

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...