Parametric Mortality Curve Fitting and Mortality Forecasting Tools // Provides tools for fitting parametric mortality curves. Implements multiple optimisation strategies to enhance robustness and stability of parameter estimation. Offers tools for forecasting mortality rates guided by mortality curves. For modelling details see: Tabeau (2001) doi:10.1007/0-306-47562-6_1, Renshaw and Haberman (2006) doi:10.1016/j.insmatheco.2005.12.001, Cairns et al. (2009) doi:10.1080/10920277.2009.10597538, Li and Lee (2005) doi: 10.1353/dem.2005.0021.