Semicolon: Learn to Code

Semicolon is a set of programming courses for your phone. Every exercise uses real code in the language you're studying. Question types include multiple choice, fill in the blank, fix the bug, predict the output and write the function. COURSES - ARM64 Assembly: how a CPU runs your code - Python - Rust - Kotlin - SwiftUI - Discrete Math - Design Patterns: the 23 classic patterns - Data Structures & Algorithms Each course has 24 sections and starts from the basics. LESSONS Lessons are short. After each answer you get an explanation of why it was right or wrong. Every lesson has a manual page with the full concept if you want to read it first. If you already kno a timed test to skip it. FREE AND PRO ARM64 Assembly and Python are free. There is no trial period or time limit. Semicolon Pro is a one-time purchase that unlocks the other six courses. There is no subscription, no ads, and no hearts or lives. There is a streak counter, but nothing gets locked if you miss a day. Your progress is stored on your device. There is no account or sign-in.