My new iPad app "Harken"

Does the same job

MN
my new app is fast user switching for the iPad (sort-of)2010 · mechanicalteeth.com · ▲38
MF
My first iPad app "HckrNe.ws"2012 · hckrne.ws · ▲7
HL
Habit List - my first iOS app2012 · habitlistapp.com · ▲282
MF
My first personal app - HackerNews for iPhone/iPad2012 · hackerno.de · ▲107
MA
Morning, a minimal dashboard app for iPad2013 · tamper.io · ▲110
IR
iPad RSS Reader App I spent 7 months on2011 · itunes.apple.com · ▲69
This was my first attempt of making something truly appealing and useful. I've learned a lot and I'm pretty happy with the result. What do you think?

TL
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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