CAS Singular {#mainpage} ============ Singular is a computer algebra system for polynomial computations, with special emphasis on commutative and non-commutative algebra, algebraic geometry, and singularity theory. It is free and open-source under the GNU General Public Licence (See [COPYING](@ref copying_page)). * Installation instructions from source code: * Homepage: * Source code: * User Manual: * Singular Wiki: * [Developer and Reference Manual:](@ref main_page)