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HP 50g graphing ABS(X)
11-02-2019, 06:57 AM (This post was last modified: 11-02-2019 07:08 AM by ijabbott.)
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HP 50g graphing ABS(X)
I have a weird problem on the 50g. Trying to graph 'ABS(X)', the graph plots a straight line through the origin. Any idea what could be wrong?

EDIT: I've solved it. It turned out that I had 'Rigorous' unchecked in the CAS menu, so |X| was being simplified to X.

— Ian Abbott
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