I see thanks Hilmar.



>>I don't understand what carry means, can you give an example with a carry. Thanks
>
>"Carry" is when in a sum (for example), one digit becomes more than 9, so something gets "carried" (or overflows) to the digit to the left.
>
>

>123
>+ 9
>---
>132
>

>
>First, you add 3 + 8. Since the result, 12, doesn't fit in one digit, the digit 1 gets "carried over" to the digit to the left. The situation is similar for multiplications.