| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | pi (π) | Western countries | Commonly used as a mathematical constant to calculate the circumference and area of a circle. | 1 |
| 2 | pi (π) | Western culture | Refers to the mathematical constant representing the ratio of a circle's circumference to its diameter, often approximated as 3.14 | 1 |