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Welcome to Wikibooks, the open-content non-fiction books collection that anyone can edit. 3,072 books with 83,946 pages ... and counting   Science Social sciences All subjects Languages Mathematics Miscellaneous Computing Engineering Humanities   Featured Books More featured books » /Goodbook/Ada Programming     Featured Children's Books Template:Itn     Featured Cookbooks style="background: #98FB98; color: black; vertical-align: middle; text-align: center; " class="yes2 table-yes2"|     Freshly Started Books Template:Dyk     Freshly Started Modules Template:Otd     Picture of the Day Template:Featurepic     Founded on 10 July 2003, Wikibooks is a Wikimedia project for collaboratively writing open-content textbooks that anyone, including you, can edit right now by clicking on the edit link that appears near the top of each Wikibooks page. Wikibooks has two sub-projects: Wikijunior, which is aimed at children, and the Cookbook, which is our collection of recipes and culinary topics. Contributors maintain the property rights to their contributions, while the Creative Commons Attribution-ShareAlike License and the GNU Free Documentation License makes sure that the submitted version and its derivative works will always remain freely distributable and reproducible. See Wikibooks:Copyrights for more information. 读者手册 | 走进维基百科   任何人都可以修改维基百科上的内容，但是请遵守我们的方针和指引。 无论是创建新条目，还是编辑现有条目，或者为条目增加一幅插图，您都可以为维基百科作出贡献。 编辑手册 | FAQ   当前有3,248,004名注册用户，其中活跃用户有450名。所有这些志愿者通过互助客栈和讨论页进行合作与讨论。或者您也可以用IRC或邮件列表进行沟通。 維基百科消息： Template:ImportantNews Template:OtherActivities 歡迎參與[[WP:DCTemplate:DC|第Template:DC次動員令]]。 現正進行[[WP:條目比賽/Template:ARTC|Template:ARTC條目比賽]]。 社区主页   Template:Rt   维基百科由非营利组织维基媒体基金会运作。基金会旗下尚有其他數个多语言、自由内容的維基计划： 元维基 协调各维基计划 维基词典 多语言字典和词典 维基新闻 自由的新闻资源 维基教科书 教科书和手册 维基语录 名人名言的集锦 维基文库 自由的图书馆 维基物种 自由的物种资料库 维基学院 自由的研习社群 维基共享资源 共享的多媒体资料库 维基数据 自由知识库   The Wikimedia Foundation is a non-profit organization that depends on your voluntarism and donations to operate. If you find Wikibooks or other projects hosted by the Wikimedia Foundation useful, please volunteer or make a donation. Your donations primarily helps to purchase server equipment, launch new projects, and develop MediaWiki—the software that makes Wikibooks possible.

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Welcome to Wikibooks,

the open-content textbooks collection that anyone can edit.

3,072 books with 83,946 pages

More featured books » In this advanced Haskell tutorial we'll implement a significant subset of Scheme. We assume no prior Haskell knowledge, but progress quickly. If you're feeling ambitious, why not Write Yourself a Scheme in 48 Hours?

More featured children's books » Small Numbers helps children count to ten and learn the meaning of numbers by pointing out real-life situations in which they play a role.

More featured recipes » Chewy Ginger Cookies are soft and delicately flavored.

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The Wikimedia Foundation is a non-profit organization that depends on your voluntarism and donations to operate. If you find Wikibooks or other projects hosted by the Wikimedia Foundation useful, please volunteer or make a donation. Your donations primarily helps to purchase server equipment, launch new projects, and develop MediaWiki—the software that makes Wikibooks possible.