Beautiful Numbers vs QMemo

Ever stared at a number line and wondered what numbers really are? That’s what happened when I tried to explain real numbers to my daughter. They weren’t just “points on a line” - they were invisible ideas that didn’t feel real at all. So I built a way to make them visible. With sliders, colors, and movement, she could see numbers stretch, merge, and grow. Suddenly, math wasn’t about memorising - it was about discovering. That small project grew into Beautiful Numbers - an interactive world where numbers come alive. See math like never before: - Add, subtract, multiply, divide — and watch numbers dance in real time. - Play with intervals: drag their ends, see them merge, overlap, and split. - Explore powers and roots: what happens when you flip or combine them? - Understand absolute value: visualise distance and tackle equations like |x−4| = 6. - Master percents and growth: from simple increases to compound interest that grows like magic. Whether you’re a student, teacher, or curious explorer, Beautiful Numbers helps you see what math really means - and maybe even fall in love with it. Download Beautiful Numbers and explore the world of real numbers - beautifully.

By recalling, you remember more. Write instantly, review instantly. Features • Home Screen Widget: 　• Display a random quiz from your saved memos directly on your Home Screen. 　• Questions automatically rotate over time, so you can review without opening the app. 　• Tap to reveal the answer, or move to the next question from the widget. • In Preview mode, tap ? to switch between question and answer like a flashcard. • The first line of your memo is automatically used as the title, with the rest saved as the body. • Full-text search lets you search across both titles and content. • Shuffle Card: 　• In the Memo List, tap the “Q” button to show a random line from your saved memos as a quiz. 　• In Memo Preview, you can create a quiz using only the memo you’re currently viewing. • Dark Mode • Contact / Support • Review History: Check each memo's mastery, total answers, reviewed cards, and days elapsed at a glance.