Mathematical animations for the web.
What's newI used to recommend the M4 MacBook Pro as a cheaper alternative to the M5 model, but as of February 2026, it's no longer available in new condition at any third-party retailers. (The Apple Store discontinued it right when the M5 MacBook Pro came out.) As such, I've removed all mentions of it from this guide.，详情可参考服务器推荐
豆包免费、无导出限制、质量过关，甚至贴心地在每张幻灯片备注中准备了演讲逐字稿！还要啥自行车？，详情可参考同城约会
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