
THE NOTHING BUTTON — Press At Your Own Risk
Press a mysterious button and discover what happens.
@saralsachan · X
Waste you time on weird websites
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Press a mysterious button and discover what happens.
@saralsachan · X
Waste you time on weird websites

Five minutes, no calculator. Nineteen questions across four kinds of thinking. Same questions as everyone today — find out what's left when the tools are gone.
@underlined2ce · X

Explore interactive visualizations of mathematical curves, fractals, symmetry, and topology.
@vkuoo · X
Added more demos showcasing graph-math relationships, built with Codex.
Track the progress of AI solving 285 unpublished mathematics research problems.
@Elisroden · X
285 private research maths problems. January 2024: zero solved. GPT-6 Astra is at 267, and the unsolved share halves every 4.3 months. Same week: a Lean-verified blowup proof for 3D Euler, built with Claude and Codex. Follow the exponential progress on

Input a math problem to get AI-generated visual explanations for learning.
@laodaozzz · X
我也做了一个教小朋友学数学的工具叫easymath。

Learn math and physics through cinematic missions and interactive physics simulations.
@electricdrago10 · X

Convert handwritten math notes to editable LaTeX and PDFs.
u/Worth_Difference_282 · Reddit
Handwritten notes into latex + study tools - looking for feedback Hey everyone, I'm a mathematics student at university, and over the past few months I've been building something called LatexNotes in my free time. The original problem was pretty simple, I like taking paper handwritten maths notes, but whenever I wanted to turn them into proper LaTeX afterwards or to get AI to mark answers, it was a pain. I kept needing to switch between my university’s content platform, then to Chatgpt to e


Guess the secret four-digit number in this classic logic puzzle game.
@Olys1703 · X
🚀 Just released a new version of Bulls and Cows! The game now supports Dark Mode 🌙

Free calculators to help homebuyers understand their offer before submitting.
u/Offer-Buildr · Reddit
I built a free suite of home offer calculators because I felt that most mortgage calculators answer the wrong question I started and run a small free tool called "Offer Buildr" that helps homebuyers understand an offer before their agent writes it. The core builder turns a listing price into true monthly cost and cash to close, then walks the ten decisions in an offer and prints a one page summary to hand your agent. Last week I shipped the piece I wish I had started with: five single-ques

Calculate concrete volume needed for slabs, footings, and driveways in yards, bags, or meters.
taylormichellebf · V2EX
做了一个免费的 Concrete Calculator,帮 DIY 用户估算混凝土用量 最近做了一个英文站:The Concrete Calculator 地址: https://the-concrete-calculator.com 它主要解决一个很具体的问题:用户在做 patio 、shed base 、walkway 、slab 这类小型混凝土项目时,不知道该 买多少混凝土、多少袋,或者该订多少 cubic yards 。 目前支持: - Concrete Slab Calculator - Concrete Pad Calculator - Concrete Yard Calculator - Concrete Bag Calculator - waste factor - cubic yards / cubic feet / cubic meters - 简单材料成本估算 做这个站的原因是我发现很多英文混凝土计算器要么广告太重,要么结果不够直观。这个版本尽量把核心计算和 单
