EngCalc(Full) - Engineering Calculator 1.4

the author of this app says:

This engineering calculator has over 500 formulae relevant to engineers in the following engineering fields: mechanical, hydraulic, structural, machine design, electrical, fluid mechanics, heat and mass transfer, thermodynamics, pulp and paper, HVAC, heat exchanger, and pipe flow. Features include over 100 property tables, constant values, scientific evaluator, material properties, periodic chart of elements and unit conversion to switch between US and metric units.