Proceedings of the Edinburgh Mathematical Society

algebra arithmetic axes axis B.Sc bisects centre of inversion centre of similitude cercle circles of Apollonius circonférence circumcircle co-ordinates collinear common conic conique constant corresponding curve denote density described diameter droite Edinburgh Mathematical Society equal equation Figure fluid Fourier series function geometrical George Watson's College given gives Glasgow Hence infinite inscribed integral intersect involution joining magnet method mid point middle point nine-point circle obtained orthocentre parabola parallel pedal triangles pencil permutations perpendicular plane prime Professor proof proportion quantities quaternion R. E. ALLARDICE radical axis radius ratio right angles roots rotation similar solution square straight line suppose surface symmedian point tangent theorem transformation triangle ABC vector velocity vertices vortex vorticity δε δρ