The symbol is f, for frequency.
"why" is not a mathematical symbol.
Yes, it is used for subtraction.
X and y
Actually, the number was discovered and then a symbol had to be assigned to it. Letters of the Greek alphabet are traditionally used for mathematical things, to the symbol for pi was naturally chosen from the Greek alphabet.
T, seconds
T
The symbol is f, for frequency.
"why" is not a mathematical symbol.
The mathematical symbol for period is a Capital T with short legs on either side of the horizontal line. This symbol is most often used when finding frequency through 1/period or using frequency to find the period of a wave in the equation Period =1/ frequency T
Yes, it is used for subtraction.
It was the mathematician William Jones who first used pi as a mathematical symbol in 1706
The symbol you are referring to is likely the "caret" symbol, which is commonly used to indicate exponentiation in mathematical expressions. It is not a standard mathematical notation for representing the number Pi.
Radical Sign
not sure
The division symbol is called an obelus (รท) or a division sign. It is used to represent the operation of division in mathematical expressions.
Pi was first used as a mathematical symbol by the mathematician William Jones in 1706.