Set theory on HP Prime

[Helge Gabert]

(05-07-2014 06:57 AM)parisse Wrote:  Sets are supported: the infix operators are union, minus, intersect, and you should use set[ ] instead of {} or [ ] to avoid confusion with lists/vectors, e.g. for ==
set[1,2]==set[2,1]
[1,2]==[2,1]

Good to know! By the way, minus and union don't seem to appear in the toolbox catalog (intersect is in there, though).