Legunt for desktop

Keep your reading and questions in one place.

Open a PDF, select a passage or figure, and ask a question. Legunt saves the discussion with its source and remembers where you stopped reading.

Download desktop Use the web app
Your PDFs stay on your device. Account backup for reading notes is optional.
Understanding Calculus
DERIVATIVESA derivative measures change at a single instant.

Start with the slope between two nearby points, then move those points closer together.

As Δx approaches zero, the secant slope approaches the tangent slope.
Discussion

How can a curve have a slope at just one point?

Take the slope between two points on the curve, then move them closer together. The value they approach is the tangent slope.
DESKTOP

Download Legunt

Choose your operating system. We check the latest GitHub release before showing an installer.

Checking the latest release…
Rather use the browser?

Use Legunt without installing anything. PDFs stay in this browser; you can choose whether to back up reading notes to your account.

Open web app

Looking for an older version? Browse the GitHub release archive.