All content on the website is free. You do not need to log in, but you can save your exercise scores to the database and analyze your progress and activity if you do.

This document explains how to start a session, save your scores and analyze your results.

Getting a password

Signing in

How do I save my scores?

Checking and exporting your scores

Usage time graphs

Predefined options using links

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Creative Commons License
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
José Rodríguez Alvira.