Cube Psychrometric Slide Rule app for iPhone and iPad

The psychrometric slide rule can be used to calculate with analog-like accuracy dew point temperature, relative humidity, humidity ratio, vapor pressure and enthalpy from wet bulb and dry bulb temperature readings in range from -5ºC  to 55ºC  (23ºF to 131 ºF ) at 750 Torr (mmHg) air pressure.

Easy to follow examples and simple descriptions of the used scales are placed on the back of the slide rule. Also conversion tables of related physical units of measurement are included.

The slide rule can be practically useful for professionals dealing with psychrometric calculations in various domains as agronomy, physics, air conditioners installment, etc.

Also the slide rule can be used as an education tool.