教育学习5 hours ago
Math Toolkit — Conversions, Geometry, Algebra & Trig
数学工具包：学生可解决单位转换、几何、代数和三角函数问题，附带公式步骤。
@DullyAq · X
Check out what I just built with Lovable!
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数学工具包：学生可解决单位转换、几何、代数和三角函数问题，附带公式步骤。
@DullyAq · X
Check out what I just built with Lovable!
探索AI协作开发的数学框架，进行高级微积分计算与验证。
@ErnestPresident · X
I know how to code Sun Yi so I vibe coded a multi layers math pipeline + multi layer verifier pipeline that do advanced calculus, I must do something wrong then.
在浏览器中计算圆周率，查找你的生日在其中的位置。
loveleyla2013 · V2EX
在线求 π 任意位的小工具，可以查到你的生日在 π 的多少位 ## 网页： https://roy2100.github.io/pi-calculator - 纯本地计算，用的 GMP 的 wasm 版本 - 如果你在网站上计算 PI 的 10000 位，理论上可以找到你的 4 位数生日 - 如果你在网站上计算 PI 的 1,000,000 位，理论上可以找到你的 6 位数生日 - 有兴趣的可以试试，还可以测试你的 CPU 单核性能 <img src="https://i.imgur.com/O9fTtni.jpeg" hight="200"></img>
通过OwsterLabs的电影级任务和交互式物理模拟学习数学和物理。
@electricdrago10 · X
Stud & Slab：免费的 DIY 家居计算器，包括木工、露台、混凝土和干墙等。
u/CaboWabo55 · Reddit
Built a DIY calculator site in a weekend — betting on "boring tools" over content After my last project (an AI debate platform) got rejected by AdSense for "low value content," I went the opposite direction: no content treadmill, no AI features, no backend. Just genuinely useful calculators. studandslab.com — 10 free calculators for woodworking and home projects (board feet, stair stringers, concrete, drywall). Everything runs client-side, so hosting is free and every visitor costs me $0.
通过设置一个已知参考尺寸来测量照片中的物体。
@Laxman101058405 · X
A few days ago I needed to measure something from a photo. Instead of searching for the perfect tool, I thought: "Why not build it?" So over the next 2 days, I built a Photo Measurement Tool using Cursor. If you try it, I'd love to know what you think.
@lightsilver323 launched https://t.co/km4f6JUYoW Try it now right in your browser (no install needed): 🔗 https://t.co/mv5ingcQDm
@OneBhashi · X
launched Try it now right in your browser (no install needed): 🔗
对着数学题目拍照，SnapSolve 立即求解并解释每一步。
@7spiritz · X
Check out what I just built with Lovable!
Play MathJump, a free online math runner game. Solve arithmetic, time each jump, and practise addition, subtraction, multiplication, and division.
barantt01 · V2EX
做了一个速算的小游戏，有空可以耍一耍 网页游戏 体验地址： https://mathjump.cc 游戏界面 
为建筑框架和施工计算对角线与偏移值的工具。
@ShakeelBinAbdul · X
Check out what I just built with Lovable!
为建筑、3D打印和材料估算提供免费在线计算器。
@rabeekit · X
🚀 Just launched RabeeKit! Free online calculators & generators: 🧱 Construction 🖨️ 3D Printing 👶 Name Generator 📄 Fake Data 🎨 Paint Calculator Fast. Free. No signup. 🌐 Feedback is welcome! 🚀 #buildinpublic #indiehackers #webdev
