Square Root Pro vs Times Table 400

Square roots are often found in math & science and quick calculation is sometimes necessary in order to tackle common questions.   This app teaches you mentally calculate square roots to reasonable accuracy (2 decimal places). Switch easily between English, Spanish, French, German & Chinese (Mandarin). Fully internationalized numeric system.

Most multiplication apps stop at 12×12. Times Table 400 goes all the way to 20×20 — double the usual tables — and practice adapts to the exact facts your child misses. Turn learning times tables into a space adventure: every fact your child masters lights up a star, and every star opens more of the galaxy. LEARN IT, THEN OWN IT • Smart missions mix new facts with quick reviews, so nothing slips away • Spaced repetition brings tricky facts back until they truly stick • Warp techniques teach clever shortcuts for the big numbers PRACTICE YOUR WAY • Flash Cards to flip through any set at your own pace • A dedicated Squares deck (2² to 20²) — the anchors of the whole table • Hyperspace Sprint — a timed dash for speed and confidence • A friendly Shiba guide cheering you on GENTLE BY DESIGN No ads. No accounts. No pressure — just stars to earn and a galaxy to conquer.