The oldest written numbers, that you have found, were around in Egypt and Mesopotamia 3000 …
Category: mathematics
How did the people of the past count?
First, early man used sign language, to express the number, which he meant. …
The mathematics of early history
Many primitive peoples used pebbles, how we use the balls on a calculating machine. Die Inkas in Peru (picture) verwendeten Knotenschnüre.…
What is a position system ?
The payment 412 and 124 are written with the same digits; but we know, that they represent different numerical values. The …
What is stereometry?
If we add a height to the length and width of an area, verlassen wir die ebene Geometrie und kommen zur …
What is a circle?
As the number of sides grows and approaches infinity, the regular polygon takes on a new shape. …
What are quadrilaterals?
Another type of polygon has four sides and is called a quadrilateral. The sum of its four angles is always 360°. The …
What is a polygon?
A specific type of plane is called a polygon or polygon. Its sides are straight lines. Also, are all sides the same length?, so …