Leco Droid

Pipe Friction Factor allows the user to calculate the friction factor for pipes or ductwork by provi

Money doesn't grow on trees. Let Cash Flow Droid help you make the most of it. Ever wondered if

The first editions of the Journal of Discourses were published in England by George D. Watt, the ste

Kepler, by Walter W. Bryant“I’m sure you remember that Tycho Brahe had his own system of the univers

The greatest genius of all time, Nikola Tesla, in his own words.The chapters in this book were origi

Engineering Steam Tables calculates the thermodynamic properties of saturated and superheated steam.