Permission is given to use these calculators for both personal and commercial uses. It is okay to save them to your computer or put them on your own web site. The pages can be freely reproduced and redistributed. If you're a programmer, you can edit the code and make your own custom calculators.
The technical license is a Creative Commons Attribution 4.0 International license. The details are described at the following web site.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Proper attribution is an important way to give credit for someone's work. If you put these pages or their derivatives online it would be appropriate to give proper attribution, such as a link back here and give proper credit to the work that went into developing these tools.
I have greatly benefitted from open source software and projects, including Ubuntu linux, LibreOffice, and OpenStax textbooks. This web site is my small way of giving back to the open source community.
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