The static HTML lessons contain SVG mathematical glyph data generated from
MathJax 3.2.2's TeX SVG font definitions.

Copyright (c) 2017-2022 The MathJax Consortium.
Licensed under the Apache License, Version 2.0.
The unmodified license is included at licenses/MathJax-Apache-2.0.txt.

The original course prose, examples, exercises, solutions, page layout and
original mathematical diagrams are dedicated to the public domain under CC0.
The MathJax component retains Apache 2.0; the dedication does not replace it.