FreeComputerBooks Free Computer

FreeComputerBooks Free Computer

一个专门收集计算机,编程,数学,工程和技术书籍,讲义和教程等专业知识电子书的链接网站,内容全免费,有13个顶级类别和200多个子类别 Links to Free Programming, Computer, Mathematics, Technical eBooks and Lecture Notes all over the World, Directory of online free programming, computer, engineering, mathematics, technical books, ebooks, lecture notes and tutorials. Very well categorized. Equipped with advanced search engines.
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Open Library Welcome to Open Library

Open Library Welcome to Open Library

一个开放的,可编辑的图书馆目录,为每本图书创建一个网页,截止到2018年10月共收录了超过36万本书。就像维基百科一样,用户可以向目录提供新信息或者进行更正。用户可以按主题、作者或者成员进行浏览。 Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.
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