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The equation of state of hydrogen-helium (H-He) mixtures plays a vital rolein the evolution and structure of gas giant planets and exoplanets. Recentequations of state that account for hydrogen-helium interactions, coupled withhydrogen-helium immiscibility curves, can now produce more physicalevolutionary models, such as accounting for helium rain with greater fidelitythan in the past. In this work, we present a set of tools for planetaryevolution\footnote{Available at \url{https://github.com/Rob685/hhe_eos_misc}}that provides a Python interface for tables of useful thermodynamic quantities,state-of-the-art H-He equations of state, and pressure-dependent immiscibilitycurves. In particular, for a collection of independent variable choices, weprovide scripts to calculate a variety of thermodynamic derivatives used tomodel convection and energy transport. This centralized resource is meant tofacilitate and consolidate giant planet structural and evolutionary modelinggoing forward.

Equations of State, Thermodynamics, and Miscibility Curves for Jovian Planet and Giant Exoplanet Evolutionary Models