530 guides inside Eikos
This website shows introductions; the full content remains in the app.
Browse guides →Learn
Four million words are not a path. Eikos gives them structure.
The corpus is organized by areas, prerequisites, concepts, exercises and mastery evidence.
530guides in the app
4.274.136words in the app
2925exercises
44.460formulas
1848code blocks
2925 exercises
Drawn from the corpus; each exercise indicates whether a written solution is available.
82 connected concepts
A graph distinguishes co-occurrence, prerequisites and misconceptions.
Mastery paths
Assessment, practice, retrieval and spaced repetition.
Preserved mathematics
43,084 formulas are preserved and validated.
Code in context
1,797 blocks of R, Python, SQL and other languages.