EngCalc(HVAC) - Palm Calculator - Version 1.2 Momentous HVAC Calculator.Features..NEW Property Tables.NEW Constant Values.NEW New look Sceintifc Evaluator.NEW Material properties. Mechanical, Physical and Thermal.NEW Periodic chart of Elements.NEW Inplace unit conversion to switch between US and Metric units.FREE !!MxCalc (worth $4.99, embedded in the program) Unit Coverter - The most comprehensive unit converter utility tool. Comes with over 1000+ Units and 10000+ conversions. Can add more to it. Award winning tool.Scientific Evaluator - Superlative collection of Operators and instant reference to recent calculations. Memory functions etc.FREE !!Property Tables (worth $2.99) Saturation Properties,Pipe Sizing Properties,Properties of Air,Solar Radiation.A must have for Engineers. This Palm software program empowers you with instant references and solutions of frequently encountered calculation at your finger tips. Just few taps, and all the calculations that consumed lots of efforts and time will vanish, there by increasing efficiency. This means you will have more time to analyze your information and make better informed decisions, thus helping your company maintain a competitive edge.Humidity Ratio,Moist Air Density,Water Vapor Density,Mixture Density,Relative Humidity,Moist Air Enthalpy.