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ABG September 22, 2025, 8:55am 4

ai2a.appinventor.mit.edu

Functional List Operators

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Defining Procedures (mirrored from the free online book) Tutorials and Guides

(mirrored from App Inventor 2 Book: Create Your Own Android Apps to allow translation) (The images are scraped from screen shots, and need to be redone) CHAPTER 21 Defining Procedures and Reusing Blocks Programming languages such as App Inventor provide a base set of built-in functionality—in App Inventor’s case, a base set of blocks. Programming languages also provide a way to extend that functionality by adding new functions (blocks) to the language. In App Inventor, you do this by de…

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