EntityQ958922· pop 5· linked from 63 articlesdiscrete differential geometrySign in to savestudy of discrete counterparts of notions in differential geometryConnectionsparallelogramEntitydimensionEntitynon-Euclidean geometryEntitycompass and straightedge constructionEntityspherical trigonometryEntitysymplectic geometryEntityRené DescartesEntityArchimedesEntitygeometryEntityPythagorasEntityEuclidEntityCarl Friedrich GaussEntityBlaise PascalEntityLeonhard EulerEntitytriangleEntityareaEntityInternational Standard Book NumberEntityOmar KhayyámEntityDavid HilbertEntitytrigonometryEntityCategoriesDifferential geometrySimplicial sets