Numsy vs Number Systems Basics

Practice the conversion between binary, hexadecimal, and decimal numbers. If you work with computers, you may want to be able to convert these numbers in your head—whether for IP addresses, color codes, or other uses. This app can help you achieve that goal.

Number Systems Basics is an independent study app for building confidence with core number system concepts through focused practice. Designed for students, self-learners, interview preparation, and anyone reviewing fundamentals, the app includes 160 practice questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Features: - FSRS spaced-repetition intervals to help you review at the right time - Weak-point heatmap to show topics that need more attention - Daily challenge for steady progress - Mock exams for timed review - Explanation for every question - Offline practice for commutes, classrooms, or quiet study sessions - No login required Practice offline, no login required. Your study flow stays simple and private. Independent study app for Number Systems Basics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.