org.apache.commons.math.analysis
Interfaces 
UnivariateRealFunction
UnivariateRealInterpolator
UnivariateRealSolver
Classes 
BisectionSolver
BrentSolver
CubicSplineFunction
PolynomialFunction
SecantSolver
SplineInterpolator
UnivariateRealSolverFactory
UnivariateRealSolverFactoryImpl
UnivariateRealSolverImpl
UnivariateRealSolverUtils