Peter Frankl

In ancient times, seeding and harvest time were determined according to the movement of the stars. For this reason, it was of the utmost importance that people studied the sky. These studies led to the discovery of the Trigonometric Ratio; a key to understanding right triangles.

The ancient Egyptians, tasked with measuring the area of agricultural land around the Nile, used a variety of tools: ropes, poles, and rulers. Their calculations and measurements were very accurate and their skills unrivaled. With these skills, they were able to construct some of the grandest architectural marvels the world has seen, the Pyramids.

Let's embark on a journey into a binary numeric world, one which uses only zeroes and ones.

The round Earth on which we live is full of circles. Long ago, humans began to realize the importance of circles and their relevance to daily life.

Have you ever wondered how an area of land is drawn to fit on a map? It's all about similarity in diagrams! Learn the basic principles for enlargement and reduction.

Have you ever wished that there was a short cut for multiplying the same number over and over again? Try exponents!

When each element of Set X corresponds to only one element from Set Y, this corresponding relationship is called a function of X to Y.

Have you ever tried to balance a book on one finger? It can be done, if you find the special indivisible point every object has: the center of gravity.

The French mathematician Rene Descartes was the first to use coordinates to express the formula of a curve from two changing values. Since that time, the definition of a function has gradually evolved through new discoveries or research by mathematicians.

Our world is vast and space is virtually unending. Yet, there's another endless world, one of numbers. Venture into the vast world of real numbers, where rational and irrational numbers come together.