What does PIRR stand for?
PIRR stands for "Pi times Radius Squared"
How to abbreviate "Pi times Radius Squared"?
"Pi times Radius Squared" can be abbreviated as PIRR
What is the meaning of PIRR abbreviation?
The meaning of PIRR abbreviation is "Pi times Radius Squared"
What does PIRR mean?
PIRR as abbreviation means "Pi times Radius Squared"
