The API documentation is grouped into the following topics:

[detail level 123]

Domains	Utilities for handling bulk and surface domains
Grid utilities	Utilities for handling grids
Functions	Implementations of and utilities for functions and grid functions
Function space bases	Utilities for handling function space bases
Constraints	Utilities for handling affine constraints
▼Form language	A framework for the convenient definition of linear and bilinear forms
▼Form language (user interface)	User interface for defining linear and bilinear forms
Form language (elementary operators)	Elementary operators (test functions, trial functions, coefficients, ...)
Form language (differential operators)	Differential operators
Form language (arithmetic operations)	Products, sums, differences, ... of operators and assemblers
Form language (pointwise linear operators)	Pointwise defined linear operators
Form language (pointwise nonlinear operators)	Pointwise defined nonlinear operators
Form language (integration and assembly)	Definition of (bi)-linear form assemblers by integration
Form language (low level)	Low level implementation classes for the form language