"why" is not a mathematical symbol.
Pythagoras was the 1st person who used the pi symbol first
William Oughtred(1574-1660) was the first to use the symbol for parallel.
John Napier.
Pengui
Arabic numerals, as they are known, were actually developed first in India, and were later imported into Europe by Arabs, hence the name.
Yes and they knew about the significance of a zero symbol in mathematics.
William first used the symbol for parallel.
Pythagoras was the 1st person who used the pi symbol first
William Jones first used the pi symbol (π) in 1706
The first time the symbol Pi was first used for Pi was in ancient Greece in their numbers. The symbol "π" was number 80 in Greece.
what is astronomers and mathmaticians
William Oughtred(1574-1660) was the first to use the symbol for parallel.
hypatia of Alexandria
John Napier.
Pengui
Pringles
Pierre