Pi Day 2025 Theme Uk. Pi (greek letter “ π ”) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — which is approximately 3.14159. No matter what the theme is about there is always place for a nice oversize paragraph here and there.
It’s our favourite time of year again! The 2025 theme for international day of mathematics is “ playing with math.” organizers invite students and educators to “celebrate mathematical games, puzzles and.