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2018-11-04 19:52:52 +0200 received badge  Student (source)
2018-10-02 20:43:51 +0200 commented answer Can't find packages combinat and cluster

Thanks. That tells me were to start looking. I downloaded 8.1 because the v8.3 dmg is listed as requiring OS X 10.13.6, but I have 10.12.6. The 8.3 installation guide has a long list of packages, but doesn't mention combinat or cluster/quiver. The 8.3 Tutorial doesn't mention combinat either. I'm fairly stuck, anyway; first time I tried to run the program it wanted to change from notebook to "Jupyter", but the tutorial doesn't explain what that is. . . .Learning curve ahead.

2018-10-02 19:36:02 +0200 commented question Can't find packages combinat and cluster

Thanks. I googled 'cluster algebra computer package' and that 2011 manual was the first hit. From there I was directed to combinat and sage. I knew nothing about sage (still don't) so got nowhere.

2018-09-27 21:45:10 +0200 asked a question Can't find packages combinat and cluster

I just installed on MacBook Touchbar OSX 10.12.6. I wanted the ClusterAlgebra/Quiver package. The 2011 manual ("Compendium") says to first install the combinatorics package "combinat " by entering "./sage -combinat install". I did that on the terminal command line in various subdirectories of but got only error messages. I then tried "./sage -i combinat" which produced much output with the upshot that it couldn't find combinat. "./sage package list" showed neither combinat nor anything sounding like "cluster". I will appreciate suggestions. ---If this is not the right forum for this question, please advise where to go. Thanks.