Shape of Numbers (Interesting)

Why Are Numbers the Shape They Are?

We use numbers all day, every day. We write them, we click them, we calculate with them and we use them to think and count. But how much do you know about the actual numbers you use? Most of us know that they were invented way back, by the Arab empire, adapted by the whole world. Before that, the popular numbers were the Roman numbers (I for 1, X for 10 and so forth). But do you know WHY the numbers look the way they do? If not, then here's why: