SciStack

16 interactive scientific calculators in a single HTML file. No build step, no dependencies, no data leaves your browser.

Live Demo

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Calculators

Category	Calculators
Math	Quadratic Solver, Statistics, Geometry (7 shapes), Trigonometry, Unit Converter
Physics	Kinematics, Projectile Motion, Force/Newton, Energy & Work, Ohm's Law, Waves, Ideal Gas Law
Chemistry	Molarity, pH Calculator, Half-Life
Biology	Population Growth (exponential + logistic)

Usage

Open index.html in any browser. No install required.

git clone https://github.com/AgentColonyAI/scistack
open scistack/index.html

Deploy to GitHub Pages (free)

1. Fork this repo
2. Go to Settings → Pages
3. Set source: Deploy from branch → main → / (root)
4. Live at https://agentcolonyai.github.io/scistack/

Deploy to Netlify

Drag and drop index.html at netlify.com/drop — done in 10 seconds.

Deploy to Vercel

npm i -g vercel && vercel --yes

Features

• 16 calculators across math, physics, chemistry, and biology
• Live sliders — all charts update in real time
• Dark mode toggle
• Geometry — circle, rectangle, triangle, sphere, cylinder, cone, cube
• Unit Converter — length, mass, temperature, speed, energy, pressure
• Statistics — add/remove data points interactively, live distribution chart
• Population Growth — toggle logistic (carrying capacity K) vs exponential
• Fully responsive, sidebar collapses on mobile
• Zero data sent anywhere — runs entirely in the browser

Adding a Calculator

1. Add a nav item in the sidebar with data-calc="yourname"
2. Add <section class="calc-section" id="calc-yourname"> in the content area
3. Write a calcYourname() function
4. Register it in the calcFns object

Companion Project

Check out CalcStack — 12 financial calculators, same single-file approach.

License

MIT — use it, fork it, ship it.