Category | Price | Seller | Device |
---|---|---|---|
Education | $0.99 | Roman Koksharov | iPad |
Moreover, all this is a proof of the celebrated Pythagorean Theorem. Wait.. Several proofs! Now you can easily prove it without formulas!
I just assumed for 99 cents this app would include many puzzles - like 20 at least. It only has 3! Not worth the price.