The best basic and scientific calculator for free. Simple and accurate.

The power of WordReference.com on your phone: English to Spanish, French, etc.

Take a photo of your Math Problems and get answers

Affordable and convenient English language certification from Duolingo.

Learn Photoshop CS3, CS4, CS5, CS6 to edit photos, apply photo effects, filters

Memory Games: Brain Training to train your brain in useful logic games 😎 💪

Learn English the easy way -- grammar, vocabulary and plenty of exercises

Learn English: Browse & search the conjugations of the most common English verbs