It describes some new ways to calculate a circumference, where the number pi comes from, where the origin of the Pythagorean theorem comes from and how to calculate it as a variant with negative numbers, how to get a missing side of any triangle ( no right triangle), how the complete trigonometry can be calculated in a different way without sine, cosine and tangent, what is the mathematical value of two pyramids on Earth, how a new triangle in the ratio √1-√2-√ 3 is being designed, and how to use numbers to understand 'creation'.
