By Siobhan Roberts “Math is power” is the tag line of a new documentary, “Counted Out,” currently making the rounds at festivals and community screenings. (It will have a limited ...

Main purpose of the GeometRi library is manipulations with basic geometrical primitives, such as point, line, plane, sphere, triangle in 3D space: translation and rotation operations, distance ...

Laboratory of Minerals and Rocks Analysis (LAMIR), Federal University of Paraná, Curitiba, PR, Brazil ...