Introduction

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• “Julia is a just-in-time compiled language”
• “Julia packages compose well”

Using the REPL

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• “The REPL reads the given input, evaluates the given expression and prints the resulting output to the user.”
• “Pressing ? enters help mode.”
• “Pressing ; enters shell mode.”
• “Pressing ] enters pkg mode.”

The Julia Type System

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• “In Julia types have only one direct supertype.”

Using the Package Manager

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• “Find packages on JuliaHub”
• “add packages using pkg> add”
• “use many small environments rather than one big environment”