Scan

Scan, SCAN or Scanning may refer to:

==Science and technology== ===Computing and electronics=== Graham scan, an algorithm for finding the convex hull of a set of points in the plane 3D scanning, of a real-world object or environment to collect three dimensional data Counter-scanning, in physical micro and nanotopography measuring instruments like scanning probe microscope Elevator algorithm or SCAN, a disk scheduling algorithm Image scanning, an optical scan of images, printed text, handwriting or an object Optical character recognition, optical recognition of printed text or printed sheet music Port scanner, in computer networking Scanf|, a function for retrieving formatted input in the C programming language Prefix sum, an operation on lists that is also known as the scan operator Raster scan, the rectangular pattern of image capture and reconstruction in television Scan chain, a type of manufacturing test used with integrated circuits Scan line, one line in a raster scanning pattern Screen reading, on computers to quickly locate text elements and images Shared Check Authorization Network (SCAN), a database of bad check writers and collection agency for bad checks Space Communications and Navigation Program (SCaN), by NASA