# API Reference¶

## High-level functions¶

 solve Solve for equilibrium concentrations of all species in a dilute solution. fixed_value_solve Solve for equilibrium concentrations of all species in a dilute solution where one or more species has a fixed concentration. volumetric_titration Solve for equilibrium concentrations of all species in a dilute solution as titrant is added.

## Parsers and utilities¶

 parse_rxns Parse reactions inputted as multiline strings to a stoichiometric matrix. parse_input Prepare input for use in low-level interface. to_df Convert output to a Pandas DataFrame. water_density Calculate the number density of pure water at atmospheric pressure in specified units. eqcheck Check the satisfaction of equilibrium expressions and conservation laws.

## Low-level functions¶

 solveNK Solve for equilibrium concentrations of all species in a dilute solution. solveNG Solve for equilibrium concentrations of all species in a dilute solution. solveAG Solve for equilibrium concentrations of all species in a dilute solution.