Hey there! I remember being stuck with exactly this issue when I was new to Jupyter and Python—let's break down all the easy ways to get that .ipynb file into your Notebook so you can work with formulas, code, and everything else properly.

1. Download the .ipynb File Locally (Simplest Method) #

This is the most beginner-friendly option:

• When you open the .ipynb link in your browser, you’ll see a preview of the notebook (often using tools like nbviewer). Look for a Download button (usually a downward arrow icon in the top-right corner, or labeled "Download")—click it to save the raw .ipynb file to your computer (save it somewhere easy to find, like your Desktop).
• Launch Jupyter Notebook on your computer: you can either open Anaconda Navigator and click "Launch" under Jupyter Notebook, or open your command prompt/terminal and run jupyter notebook.
• In the Jupyter file browser that pops up in your browser, navigate to the folder where you saved the .ipynb file. Click the file name, and it’ll open in a new tab—you’ll be able to edit code, view formulas, and run cells just like any other notebook.

2. Import the Notebook Directly via URL in Jupyter #

If you prefer to skip downloading first, you can pull the notebook directly into Jupyter with a bit of code:

• Open Jupyter Notebook and create a new blank notebook (click "New" > "Python 3" or your preferred kernel in the top-right corner).
• Paste this code into the first cell, replacing YOUR_IPYNB_LINK with the actual URL you have:

import requests
from nbformat import read, write

# Replace with your .ipynb URL
url = "YOUR_IPYNB_LINK"

# Fetch the notebook content
response = requests.get(url)
notebook = read(response.content, as_version=4)

# Save it to your current Jupyter directory
with open('imported_notebook.ipynb', 'w') as f:
    write(notebook, f, version=4)

• Run the cell (click the "Run" button or press Shift+Enter). You’ll now see a file named imported_notebook.ipynb in your Jupyter file browser—click it to open and use.

3. If the Link is a GitHub-hosted Notebook #

If your .ipynb link points to a GitHub repository, you have two extra options:

• Clone the repository: Open your command prompt/terminal, run git clone https://github.com/[username]/[repo-name].git (replace the URL with the actual repo link). Then open Jupyter and navigate to the cloned folder to find the notebook.
• Download the repo as a ZIP: On the GitHub page for the notebook, click the green "Code" button and select "Download ZIP". Unzip the file, then open Jupyter and navigate to the unzipped folder to access the .ipynb file.

Quick Tip #

If you’re viewing a static preview (like on nbviewer), make sure you’re downloading the raw .ipynb file—sometimes you’ll need to click a "Raw" button first before saving, to avoid saving the preview webpage instead of the actual notebook.

内容的提问来源于stack exchange，提问作者kassa