.SCH File Extension

Schematic, or visual diagram, of a PCB (printed circuit board), created with EAGLE PCB design software; includes symbols (for logic gates) connected by lines, which represent buses; used for creating a actual circuit board (.BRD) file.

EAGLE stands for "Easily Applicable Graphical Layout Editor."

Project file created by SuperCard, a visual authoring tool for Mac OS X; stores data for a help project, which contains indexable help content; used for extending the SuperCard Help System.

File used by Strater, a program used for visualizing subsurface borehole and well log data; specifies the nomenclature (keywords, data range, lithology, etc.) and the display properties (line, text, symbol, fill, etc.) for design elements that use the nomenclature; enables designs to be created according to standards.

Strater schemes can be created and edited in the Scheme Editor, which is accessed by selecting Tools → Scheme Editor... from the application menu.