GNU Octave vs Wolfram Alpha

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When considering a math package for learning and usage, the discussion highlights the challenges with GNU Octave, particularly its complex plotting functions, which can lead to inaccuracies, as demonstrated with the floor function. In contrast, Wolfram Alpha is praised for its simplicity and accuracy in generating plots without extensive adjustments. The affordability and user-friendly natural language of Wolfram Alpha make it an attractive option. The conversation raises the question of whether the quirks of GNU Octave are worth mastering compared to the straightforward experience offered by Wolfram Alpha, especially since updates for Wolfram Alpha are optional and can be skipped if users are satisfied with their current version.
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trying to choose software for mathematics
I am trying to find a worthwhile math package to learn and use. Matlib is just too expensive so it's out of the question. GNU Octave is OK but has simple stuff like plot can be complicated. For example GNU Octave plot of floor function is:
plot1.webp

which is wrong. But the same plot of Wolfram Alpha is simple and accurate:
plot2.webp

I did not have to do any fiddling with results to get proper graph. Also, I like the natural language of Wolfram and it's mostly affordable. In short, is it worth learning GNU Octave and all it's quirks or should I just pay for Wolfram Alpha Personal edition, annually.

PS: Please excuse me if this is inappropiate post I'm kind of oldie but newbie to this forum.
 
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You only have to pay annually if you want updates. I have been using the same version for about 5 years now.
 
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