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====== Working with Julia notebooks ====== A Julia notebook has three types of //cells// - Textual annotation, written in the [[https://daringfireball.net/projects/markdown/|Markdown]] mark-up language (see also [[https://en.wikipedia.org/wiki/Markdown|wikipedia]]). - Live Julia code - Graphical output ====== Executing Julia code in a notebook ===== Our first concern is working with the live Julia code cells. I'll illustrate on the "Numbers, variables, and basic functions" notebook from the Hands-on Julia tutorial. You should start that notebook and follow along (see [[:gibson:teaching:fall-2016:math753:julia-notebooks]]). ===== Executing a line of code with shift-enter ===== 1. Click on the line ''In [ ]: typeof(10)''. The line will be highlighted with a green box, and you should see a blinking cursor after ''typeof(10)''. 2. Hold down the shift key while pressing "enter" (we'll call this "shift-enter"). This will make the Julia computational engine execute the line of Julia code and print its return value. You should now see the following. {{ :gibson:teaching:fall-2016:math753:notebookworkflow1.jpg |}}
