The Origin User Guide is a technical introduction to Origin and OriginPro software. This concise guide is divided into 21 chapters and covers such things as installation and licensing, the Origin interface, data import, workbooks, matrix books, graphing, use of Origin's data exploration and analysis tools, statistics and handling of repetitive tasks. The guide includes a brief introduction to Origin's various programming options, including Python, COM, and Origin's native scripting language, LabTalk.