HEATKEYS

Evaluate properties and analyze thermodynamic systems on line using smart calculators called daemons. Browse hundreds of animations to visualize thermodynamic systems.

Located at the core of Silicon Valley, San Jose State University is an exceptional place for hands-on learning, professional development and personal growth. For a century and a half, SJSU has prepared students for roles as leaders and highly product...

The Official Home page for the Iowa Department of Natural Resources, DNR. Our mission is to conserve and enhance our natural resources in cooperation with individuals and organizations to improve the quality of life for Iowans and ensure a legacy for...

Online civil engineering calculations for storm water, culverts, gravity sewer, water distribution, traffic engineering, surveying, floors, foundations, retaining walls, reinforced concrete, structural steel, wood design, engineering economics and un...

The official home page for WSDOT. Take a look at how we keep people, businesses and the economy moving by operating and improving the state

Contech offers construction products for site solutions including stormwater management, bridges, drainage pipes, erosion control, retaining wall, sanitary, soil stabilization and storm water, and are supported by expert engineers in every industry.

Calculations for pressure pipes, open channels, ground water, hydrology. Software, formulas, equations