A non-iterative technique for calculating the remainder of modulo division, which requires significantly fewer operations than the traditional iterative technique for the same calculation. The ceramic dead-end filter comprises at least one ceramic filter membrane having a first side with a front surface and a second side. To switch from the first display mode to the second display mode, a display mode change key can be operated. Further, the networked guideway transit system uses no moving parts in the guideways, which enhances reliability in the guideways.