Some updates: 1. Attribution:
In the "About" window of MathCAD, it points to a local html page, which points to www.ptc.com/support/go/open-source-software, which requires login to see! After login, it points to a 1MB spreadsheet PTC_All_Use_Of_OSS.xlsx, FriCAS is shown as the 3373-th item. (There's 18086 items in total. This is not just MathCAD dependencies, but all PTC products. Also one open source project can corresponds to multiple lines in this spreadsheet.) 2. License: Grep can't find even "BSD" or "GPL" in the installation directory. Only one mention of "MIT" in "font-awesome.css". I guess they are getting away from including open source licenses by some fine details in https://www.ptc.com/en/documents/legal-agreements/on-premise-license-agreements - Qian On 7/3/24 18:19, Qian Yun wrote:
MathCAD, since version Prime 6 (in 2019), uses FriCAS as its symbolic engine, replacing mupad/maple. I took a look at its latest version Prime 10 (in 2024), and found that it bundles [2] a copy of fricas-1.3.2 (released in 2017) with sbcl-1.4.2, with additional 82 NRLIB directory [3] (which means 82 new domains), around 4600 signatures, [4] which determined by their names, most are wrapper functions. Well, generally this feels a bit strange on multiple levels: 1. they use such an old version 2. they don't send bugs or upstream fixes to us - Qian [1] https://en.wikipedia.org/wiki/Mathcad [2] The checksums of *daase are the same as fricas-1.3.2-full.tar.bz2 [3] they are loaded by ")lib" in initial input file. [4] grep SIGNATURE *NRLIB/index.KAF | wc
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