In every number, each place to the left is 10 times greater and each place to the right is 10 times smaller. The decimal point separates the whole numbers from the parts (or fractions) of a number. An ...

The 2,300-year-old matrix is the world's oldest decimal multiplication table. From a few fragments out of a collection of 23-century-old bamboo strips, historians have pieced together what they say is ...