Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 23 5.1 Arithmetic Operators . . . . . . . . . . . of all the available switches can be found at Command-line Options. 4 CHAPTER 2. GETTING STARTED 5 2.1 Resources A curated list of useful learning resources to help new users get started can be found

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Getting Started 5 2.1 Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 i ii CONTENTS 5 Mathematical Operations and Elementary Functions 25 5.1 Arithmetic Operators . . . . . . . . . . . | | | |_| | | | (_| | | Version 1.7.0-DEV.562 (2021-02-17) _/ |\__'_|_|_|\__'_| | Commit 55d7571a5d* (0 days old master) |__/ | julia> 1 + 2 3 julia> ans 3 To exit the interactive session, type

. . . . . . . . . . . . . . 3 II Julia v1.2 Release Notes 5 2 New language features 7 3 Mul�-threading changes 9 4 Language changes 11 5 Command-line op�on changes 13 6 New library func�ons 15 7 processes • Lisp-like macros and other metaprogramming facili�es Part II Julia v1.2 Release Notes 5 Chapter 2 New language features • Argument spla�ng (x...) can now be used in calls to the new pseudo-func�on commands exit with non-zero exit code. (#27900). • Added (\star) as unary operator (#31604). 11 Chapter 5 Command-line op�on changes 13 Chapter 6 New library func�ons • getipaddrs() func�on returns all

. . . . . . . . . . . . . . 3 II Julia v1.2 Release Notes 5 2 New language features 7 3 Language changes 9 4 Mul�-threading changes 11 5 Build system changes 13 6 New library func�ons 15 7 Standard processes • Lisp-like macros and other metaprogramming facili�es Part II Julia v1.2 Release Notes 5 Chapter 2 New language features • Argument spla�ng (x...) can now be used in calls to the new pseudo-func�on to schedule and switch Tasks during @threads loops, and perform limited I/O (#31438). 11 Chapter 5 Build system changes • The build system now prefers downloading prebuilt binary tarballs for most

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . Literal zero and one . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5 Mathematical Operations and Elementary Functions 22 5.1 Arithmetic Operators . . . . . . . . . . . passed in the global constant ARGS. The name of the script itself is 4 CHAPTER 2. GETTING STARTED 5 passed in as the global PROGRAM_FILE. Note that ARGS is also set when a Julia expression is given using