Spaced repetition (SRS) for learning

Question

A client has asked me to add a simple spaced repeition algorithm (SRS) for an onlinebased learning site. But before throwing my self into it, I\'d like to discuss it with the co

Answer 1

Anki is an open source program implementing spaced repetition. Being open source, you can browse the source for libanki, a spaced repetition library for Anki. As of Januray 2013, Anki version 2 sources can be browsed here.

The sources are in Python, the executable pseudo code language. Reading the source to understand the algorithm may be feasible. The data model is defined using sqlalechmey, the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.