DIN A4? WHAT IS THIS?

Hello mates, this time I give you an interesting video. It is interesting the reason about this name of the size´s paper. In this way, it is important to know whay this name and why it is related with maths and measurement.

Some people thinks that it is obius but it isn´t. All measurments are related and they have a mathematic trick wich imply ⎷2. Has it sense?

I´m sure yes, you should clik the video in order to find the answer.



Vídeo aquí