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Anonymous•a few seconds ago
Graphviz.
Quite possibly the worst program ever. Cannot create new pages, no instructions, not intuitive at all. Graphing program designed by Bill Gates not Steve Jobs. Awful. I could not create a graph, and could not find any instructions on how to perform this task. Considering that this is a GRAPHING program, you would think that this would be reasonably easy. Say for example a formula entry option etc? Nope. How about the simple task of creating a new sheet/project? Nope.
I'll stick to my TI-89. Pros: Couldn't use the program, so I cant say. Nice looking icon? Free?
Cons: No instructions, cant create a new file, no help file, no simple user interface. Totally unusable and I am not going to waste my time learning to use and wrestling with an awkward, unintuitive, microsoft-esq piece of software.