Julia as a Second Language

4 Julia as a spreadsheet

This chapter covers

• Working with collections of numbers using the Array and Tuple types
• Useful types to put into collections, such as numbers, characters, and text strings
• Performing statistics
• Transforming lists of numbers with map
• Using predicates with the filter function

In the second chapter we discussed how to work with Julia as a calculator. However, people working with numbers today don’t usually use desk calculators; they use spreadsheet tools, such as Microsoft Excel or Apple Numbers (figure 4.1).

Figure 4.1 Apple Numbers is a spreadsheet application for working with rows and columns of numbers.

In these applications, ...