I teach high school math where we use Maple. Some times some students who use Maple 2022 on Mac computers both older and new version of the OS, experience that the document won't react to simple things like plot, solve of loading packages with the "with" command. 

Any idea could be causing this? Because the error goes away if we load a new document within Maple or restart the program.

Dear friends, 

If you import a table of 1-dimensional data assuming it normally distributed. Any command in Maple to generate the interval of normal distribution?

Hi got this set of error using the Plot package. Anyone here know what they mean? 

I have been trying to figure out if there is any command in Maple where you can find the self-intersection points of a vector valued function in Maple? Other than having to type the equations manually into fsolve?  

Like shown in this 2013 post. 

https://math.stackexchange.com/questions/243065/self-intersection-of-vector-valued-function

I have a student who then she uses tools/assistent/import data and then the file then Maple claims the Excel file is empty? She uses Maple 2021.2. File works on other my and other student computers.