Closyxe is a thermodynamics toolkit for engineers, students, and field technicians. Run four precision calculators for compressibility factor, isobaric work, relative humidity, and water vapor partial pressure, with flexible units and clear formulas. Log site observations with barometric pressure, dew point, specific enthalpy, volumetric throughput, and thermal gradient in a dedicated Field Log. Clean, dark aurora interface built for quick calculations and reliable on-site records.