---
title: Column Buckling — Euler Elastic (Rectangular)
emoji: 🏗️
colorFrom: indigo
colorTo: blue
sdk: gradio
sdk_version: "4.44.0"
app_file: app.py
pinned: false
---

# Column Buckling Calculator — Euler Elastic (Rectangular Section)

A Gradio app that computes the **Euler critical load** about both principal axes for a **rectangular column**, reports the **governing axis**, **slenderness**, **FoS**, and a clear verdict — with a step-by-step arithmetic printout you can read like engineering notes.

## Run locally
```bash
pip install -r requirements.txt
python app.py
```

## Notes
- Elastic Euler only (no Johnson/inelastic, no eccentricity/imperfection) — for teaching & study.