For the original notebook, please go to https://nbviewer.jupyter.org/github/Non-Contradiction/JuliaCall/blob/master/example/JuliaCall_in_Jupyter_R_Notebook.ipynb.
Here I generate a markdown file from part of the notebook and include it in this vignette.
Julia version 1.0.0 at location /Applications/Julia-1.0.app/Contents/Resources/julia/bin will be used. Loading setup script for JuliaCall... Finish loading setup script for JuliaCall.
It seems that you are not in the terminal. A simple julia console will be started. Type exit and then enter to exit. julia> sqrt(2)
julia> exit Exiting julia console.