Unfortunately, I overlooked it when writing my answer. Ugh. Your example in particular illustrates such a case: Java. Use the chr () Function to Show Greek Letters With matplotlib in Python Greek letters are encoded in Unicode. That's insane, completely unreadable and unspeakably cool. In the Spyder IPython console, typing \alpha followed by a tab gives you . (Incidentally the reason you can have Greek characters but not square root signs in Python identifiers is simple. These can be used with matplotlib plots as well. There is no general consensus among mathematicians about a . It only takes a minute to sign up. How to use Greek Letters in Excel - SpreadsheetWeb In Python 2, we can use the same by first importing the unicode_literals from the __future__ module. What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? @dsimcha: I think those familiar with a particular domain are significantly rarer than those, who never heard of it. I'm suggesting you can just use them: "I was wondering if there is a way to directly enter it into my console" sure the same way you directly enter. In the Symbol dialog, choose Greek and Coptic in Subset dropdown and scroll down to find the Greek Letters. SymPy expressions are built up from symbols, numbers, and SymPy functions, In [2]: x, y, z = symbols('x y z') SymPy automatically pretty prints symbols with greek letters and subscripts. "it is not possible to use unicode in variables names, since Sage relies on Python 2, which does not allow it, so you have to wait the migration of Sage to Python 3 for that.". i.e. (Y - E[Y])] Where: 1. For this, we need to use raw strings, which means adding the r character before a string. Greek variables - ASKSAGE: Sage Q&A Forum - SageMath Nicolas Thiry started a discussion on this theme on sage-devel on 2020-02-21: Ok super and how do you have access to greek characters. Furthermore, pulling these symbols into Python can be rather difficult to infer. You also have the option to opt-out of these cookies. It does not store any personal data. We can calculate the degrees of freedom in Python by first getting our standard deviation of X and Y, then plugging them into this formula: Sigma-X-Bar is used to represent the standard error of the mean. If so, you're likely just asking for trouble because different programmers use different editors, and you cant be certain all editors will support unicode correctly. but it doen't works, FrdricC Thanks but to be precise the cod must be \phi