The answer of Problem Section1, page 106
温故知新
分类：calculus
Ch1.1 The Continuum of Numbers
The only evident reason for the widespread use of the decimal system is the ease of counting by tens on our fingers(digits).
温故知新
The answer of Problem Section1, page 106
The only evident reason for the widespread use of the decimal system is the ease of counting by tens on our fingers(digits).