Version 5.0 – a big update!
• Fresh, modern design
• Track progress: streaks, daily goals & achievements
• New Practice tab: module quizzes, exam-style tests & daily flashcards
• NDT glossary: 76 terms & formulas
• Material database: sound velocity, density & impedance
• Better reader: text size, night mode, resume reading, next/previous lesson
• Bug fixes & performance improvements