y back. The end.</p>

    <h2>A sci-fi example</h2>
    <p>This tool is meant for practical, everyday calculations. One example of such a use is in the previous section. But I can't pass by the opportunity to make an example that involves &hellip; aliens.</p>
    <p>There is a famous formula in astrophysics called the Drake equation. It is an estimate of the number of civilizations in our galaxy with which communication might be possible.</p>
    <p>For example, if we listen to radio signals from the stars,