airCalc has a standalone module for direct driven fan selection. Each fan type could be integrated; the administrator can manage some technical data. Technical calculation and also price calculation are done.Directly integrated in airCalc the user can mix in one project some other product types with axial fans.The program works in a very sophisticated graphical way like a big virtual catalog with some calculation possibilities.As it was developed years ago we are on implementing now this sotware package also into our new ISC Framework