\[Pi]
• Aliases: p, pi.
• Greek letter with built-in value.
• Interpreted by default as the symbol Pi.
• See Section 1.10.1 and Section 3.10.3.
• See also: \[DoubledPi] , \[CapitalPi] , \[CurlyPi] .
Usage
\[Pi] Notes
p, pi. 
