As you can see, the Egyptian system was based on grouping by tens. The decimal system that we use is also based on tens, but that is where the similarity between the two systems ends. Our decimal system makes use of place-value That is, in the numeral 357 he digit 7 means"seven ones, the digit 5 means"five tens," and the digit 3 means"three hundreds." But all of the Egyptian numerals shown here have the same value, even thou the symbols are in a different order in each case. The Egyptian system assigns the same value to each symbol, regardless of its place.