- Thermodynamic calculator to solve problems and exercises from Thermodynamic Engineering books.
- Quickly calculates steam tables for water, air, ideal gases, refrigerants and other substances.
- Contains help and explanations of the main theoretical concepts, equations, first and second thermodynamic laws, etc.

FUNCTIONALITIES

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Interactive graph.

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Educational aids
- Quick reminders on thermodynamic concepts and formulas.
- Step-by-step calculations.

Settings
- Control system: Control mass, Control volume.
- Sign convention: ΔU = Q − W, ΔU = Q + W.
- Reference state: Normal boiling point, ASHRAE, IIR, Çengel-Boles, Moran-Shapiro, Reynolds, Sonntag-Van Wylen-Borgnakke.
- Ambient conditions: EPA, ISO, IUPAC, NIST.
- Units: International System of Units, Imperial System of Units, Traditional US units.

Calculations
- Properties: State, Saturation, Process, Cycle.
- Calculation of states, processes, and cycles.
- Warnings for sensitive calculations: Critical point, Saturation dome (PT), Liquid (v), Gas (Th).
- Processes: Polytropic, Isobar, Isotherm, Isochore, Isenthalpic, Adiabatic, Irreversible, Inlet+Outlet, Branches, Reheating, Subcooling.
- Substances: Noble gases, Ideal gases, Ideal gases (cp Variable), Custom gas, Real substances (Acetone, Air, Ammonia, Benzene, Butane, Carbon dioxide, Ethane, Ethanol, Ethylene, Heptane, Hexane, Isobutane, Isopentane, Methane, Nitrogen, Octane, Oxygen, Pentane, Propane, Propanol, Propylene, R-11, R-114, R-12, R-123, R-1234yf, R-124, R-13, R-134a, R-14, R-22, R-23, R-32, R-404a, R-407c, R-410a, R-500, R-502, R-507a, R-C318, SES36, Water).

Calculation wizards
- Interpolation: One dimension, Two dimensions.
- Units converter: Pressure, Temperature, Volume, Mass, Energy, Power.
- Energy balance: Solve exercises of Unknown process, Internal friction, Kinetic energy, Potential energy, etc.
- Heat exchangers: Generic, Regenerative, Closed, Open, Mixed.
- Cycles: Automatically solve 17 types of cycles. Carnot, Otto, Diesel, Dual-Mixed, Stirling, Joule-Brayton (Basic, Regenerative, Intercooler, Afterburner), Power Rankine (Basic, Reheating), Rankine with regenerative preheating (Closed, Open, Closed+Closed, Closed+Open), Cooling Rankine (Vapor-compression refrigeration).

Results reports
- Substances: Formula, Molecular mass, Critical point, Normal boiling point, Specific heat.
- Summary: Settings, States, Processes, Cycles.
- Calculations: Step-by-step calculations.
- Mass balance.
- Energy balance.
- Boundary work.
- Entropy balance.