University of Free Knowledge

The free college of everything

Every subject, taught for free.

Kindergarten through postgraduate — 15 schools, 135 departments, and no bill, ever. Ask the University for anything, or pick up a pencil.

A live lesson fragment — try it.

Ink That Thinks — guess first; the answer draws itself.
The expression 2n + 1, plotted. Place a point for its value at n = 1, 2, 3, 4, 5 — pencil first, then the University inks the truth over your guess.

01234560510nvalue of 2n + 1
Tap to place each point.
PLATE I From Algebra I, folio 1 — a working fragment, not a screenshot.

Begin with a fully-inked course

Browse every subject →

Fifteen schools

The Atlas →
15Schools
135Departments
256Folios, and counting

The University is a press, not a vault: it publishes what humanity knows, to everyone, free forever. Wrong guesses stay in pencil beside the corrected ink; nothing here punishes practice. Read who writes it and how this college teaches.

The Call Slip — search everything Ctrl·K / ⌘K