ABC Education brings you high-quality educational content to use at home and in the classroom. All our resources are free and mapped to the Australian Curriculum More from ABC We acknowledge ...

Although Venn diagrams initially applied to logic and set theory, the four-circle conundrum raised an interesting geometry question. That seed has blossomed into a fascinating investigation into ...

The JTS Topology Suite is a Java library for creating and manipulating vector geometry. Linear algebra, eigenvalues, FFT, Bessel, elliptic, orthogonal polys, geometry, NURBS, numerical quadrature, 3D ...