Here is the link to the official incremental reading manual: http://super-memory.com/help/read.htm.
The following link to a community-made condensed version of the official guide: https://www.supermemo.wiki/en/learnin...
If you're interested, and want to find out more about SuperMemo (or learning in general), then join our Discord server (we host plenty of great events that are related to learning!): / discord .
If you have any questions, please leave them in the comments section below (or, if you want rapid and satisfactory answers, by joining the Discord server)!