Mathematics is so widely spread throughout our culture that it presents different faces to different people.
. . . .we may well find ourselves in a situation similar to that of the three blind men who tried to describe an elephant.
...all the Mathematics with which you are familiar had its roots somewhere in nature.
Arithmetic and algebra grew out of men's need for counting, financial nanagement, and orther simple operationa of dailylife;
geometry and trigonometry developed from problems nof land measurement, surveying, and astronomy;
calculus . . .