Life & fun · November 12, 2017
Free Math, an offline React app for managing digital math homework
Does the same job
all alternatives →- AAAxis - a React.js multiplayer math game2014 · axisthegame.com · ▲110
- DADi-ary – a math note-taking app built on Ruby on Rails, React and Redux2016 · github.com · ▲8
- MOMathcha – Online Mathematics Editor2017 · mathcha.io · ▲358
- ASA simple note-taking app built in React2015 · notello.com · ▲100
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Photosynthesis fires two of your iPhone
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is
Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 27d ago · baselashraf81.github.io
Launched alongside, November 2017
the whole month →
First Search▲1,093The world's best startup advice, curated and searchable.
Growth · 2017 · review.firstround.com
Mockup Generator▲874Create attractive product screenshots with just a few clicks
Growth · 2017 · theapplaunchpad.com
Easy to build, custom landing pages for free
Growth · 2017 · login.mailchimp.com
