Maths Practice vs Pinyin Reader

Practice basic mathematics for all ages. Exercise your brain. Repeat the math exercises as many times as you like. No advertising. No social media links. No in-app purchases. No information collected by us. No competition with others. No badges. No level unlocking. Practice your mental maths skills at your own pace and as often as you like. Low motion design (no flashing lights, moving objects, noisy sounds) to avoid distractions. Easily enter answers using the custom on-screen keypad. Practice your skills in: - integer addition (whole numbers) - integer subtraction (including negative numbers) - integer multiplication (whole numbers) - integer division (including fractions) - decimal addition - 12 times tables - 15 times tables - perfect squares - square roots (whole numbers) Use the settings page to: - Set whether the check button is on the left or the right. - Adjust the time limit for times tables, squares, and square roots. - Adjust how large the squares and square roots can be. - Adjust whether the squares and square roots increase in size as the test progresses.

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.