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### SageMath Scilab interface not working

I am working with SageMath 8.1 on Windows 10 Native with Jupyter Notebook.

I try to issue the following command

sage: scilab.eval('2+2')


I get RuntimeError: unable to start scilab because the command 'scilab -nw' failed: The command was not found or was not executable: scilab.

I put the bin directory of Scilab on the %PATH% environment Variable.

I open a DOS Terminal and I see it in my PATH like this: C:\Program Files\scilab-6.0.1\bin

I open a Sage Terminal and I see it in my PATH like this: /cygdrive/c/Program Files/scilab-6.0.1/bin

I issue the following command in the Sage Terminal: /cygdrive/c/Program Files/scilab-6.0.1/bin/scilab -nw but I get bash: /cygdrive/c/Program: No such file or directory