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as you have determine they are the same.

The Greek letter π has a name, just like the familiar letter of our alphabet have names. You don't usually see names for our letters spelled-out, but when you recite the alphabet, you are saying the names of the letters: Aay, bee, cee, and so on.

Pi is a representation of the name of the Greek letter π. We use π as a symbol for a mathematical constant, the circumference of a circle, divided by its diameter. And we use the name of the symbol, Pi, as a name for the constant.

TT is the mathematical symbol for the word Pi.

Pi is the name of the Greek letter Π equivalent to the English letter P which is thought to have been chosen as its the first letter of the word perimeter . The ratio of a circle's perimeter to its diameter is Pi =3.14159265......

π=Pi. π is read like Pi. π is hellenic letter translated to english like Pi.

They are of equal value 3.14