Copyright and licences

Copyright

© 2026 Ron Bakker. All rights reserved.

The website, MathLab, LabTeX and SynthLab (their code, design, texts, examples, demo songs, instruments, tutorials and images) are the property of Ron Bakker. No part may be copied, modified, redistributed or used to build other products without written permission.

Figures, sounds, music, recordings, data files and documents that you create with MathLab, LabTeX or SynthLab are yours.

Third-party components and data

KaTeX

Formula typesetting in LabTeX. MIT licence, © Khan Academy and other contributors. Full licence text

MathLive

Formula editor in LabTeX. MIT licence, © Arno Gourdol. Full licence text

Country outlines

MathLab maps. Natural Earth 1:50m, public domain, converted from world-atlas 2.0.2 (ISC licence, see below).

SynthLab sounds

SynthLab uses no third-party code, samples or recordings. Every sound, including the built-in sampler sounds, drums, reverb impulse responses and the demo songs, is synthesised in your browser by SynthLab's own code with the Web Audio API.

Fonts

Newsreader, Space Grotesk and JetBrains Mono, SIL Open Font License 1.1, served by Google Fonts.

Live data

Some examples fetch data from its source when they run; that data stays under its source's terms: World Bank Open Data (CC BY 4.0), NOAA Mauna Loa CO₂ and NASA GISTEMP via github.com/datasets, USGS earthquake feeds (public domain), scikit-image test images (public domain / CC0).

world-atlas — ISC licence

Copyright 2013-2019 Michael Bostock

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is
hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

KaTeX and MathLive — MIT licence

KaTeX 0.18.11 — https://katex.org — MIT License

The MIT License (MIT)

Copyright (c) 2013-2020 Khan Academy and other contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

MathLive 0.110.0 — https://mathlive.io — MIT License

Copyright (c) 2017 - present Arno Gourdol. All rights reserved.
 
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"), 
to deal in the Software without restriction, including without limitation 
the rights to use, copy, modify, merge, publish, distribute, sublicense, 
and/or sell copies of the Software, and to permit persons to whom the 
Software is furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
DEALINGS IN THE SOFTWARE.