# Falstad Math and Physics Simulations

6 Hacker News commenters recommended Falstad Math and Physics Simulations and 0 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** A free collection of interactive math and physics simulations that run in the browser, recommended for students and anyone who wants to explore wave and physics behavior visually.

## Why people recommend it

- Useful resource for physics and engineering students (1 comments): "this page of apps is a must-have resource for any Physics or Engineering student" ([source](https://news.ycombinator.com/item?id=49325881))
- Runs in browser as JavaScript (1 comments): "Now he has converted everything to JavaScript for everyone to use." ([source](https://news.ycombinator.com/item?id=49319171))
- Fond memories from high school use (1 comments): "I have fond memories of fiddling with the wave simulations on this website during high school" ([source](https://news.ycombinator.com/item?id=49319571))
- Seen as cool and worth sharing (1 comments): "this is so cool, thanks for sharing!" ([source](https://news.ycombinator.com/item?id=49321574))

## Alternatives hackers recommend

- [Gravity solar system simulator](https://hackerapproved.com/p/gravity-interactive-solar-system-simulator.md): 23 recommend
- [Interactive 3D three-body problem simulator](https://hackerapproved.com/p/browser-based-interactive-3d-three-body-problem-simulator.md): 20 recommend
- [Newton's Orchard](https://hackerapproved.com/p/newton-s-orchard.md): 5 recommend

## Cite as

Hacker Approved, "Falstad Math and Physics Simulations", https://hackerapproved.com/p/falstad-math-and-physics-simulations/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).