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They use Greek symbols in math since Greek mathematicians invented math.
There are no weird letters in maths. Greek mathematicians were responsible for a significant amount of the early mathematical work and they, naturally used Greek letters. Many of these letters are still used today. Just because you are not familiar with characters in the Greek alphabet does not make them "weird letters".
I am not sure what you want to know, but surely math is not just Greek. The ancient Greeks made great and fundamental contributions to math , particularly in Geometry and there are modern Greek mathematicians , but the field has expanded exponentially since the heyday of the Greek geometers -excellent mathematicians are now found all over the world. Mathematicians often used Greek letters, but this is only a notational convenience- has nothing to do with the Greek language.
It was a cool looking greek letter.
Mathematicians frequently use the Greek alphabet.
We use the English word.In Greek letters its βίντεο.
There is no word for jeans in Greek. We use the word ''jeans'' or in Greek letters τζίνς.
There is no Greek word for golf. We use the word ''golf'' or in Greek letters ''Γκόλφ''.
ancient greek mathematicians
No, Euclid of Alexandria, was a Greek mathematician
There is only one Greek alphabet in use today.
It was first introduced by the Welsh mathematician William Jones in 1706 and pi is the 16th letter of the Greek alphabet also it is the 1st letter of the Greek word for perimeter.