f(x) Calc vs Pinyin Reader

Full-featured Scientific Educational calculator with Natural Maths entry. Ideal for Maths and Science study with a built-in examples that will help you to learn how to use your calculator.   The perfect backup when you don't have your school calculator. Try the Junior mode for every-day use, with easy access to the most essential functions.

Learn Chinese pinyin step by step with clear audio for every sound. Practice initials, finals, whole syllables, and the four tones—perfect for beginners starting Mandarin. Need a simple way to hear standard Mandarin pronunciation? Tap any card to listen, repeat, and track your progress with built-in study stats. No account required. • Initials (shengmu): b, p, m, f and full set • Finals (yunmu): a, o, e, i, u, ü and combinations • Whole syllables (yinjie): zhi, chi, shi, ri… • Tone chart with audio for each tone • Learning statistics to see your practice • Offline-friendly: lessons work without Wi‑Fi Ideal for parents, teachers, and self-learners building a solid pinyin foundation before reading Chinese characters.