Pi, represented by the symbol π, is one of the most famous and important constants in mathematics. It is defined as the ratio ...

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Master these essential symbols first Anjali Mittal / TOI Education / Jun 19, 2025, 18:53 IST Mastering mathematical symbols is essential for success in various fields, from science to technology.

Ancient Greek letter and math symbol pi. Credit: Shisma/Wikimedia Commons/ CC BY 4.0 Math fanatics worldwide and everyone else who just loves pi (or pie) celebrate Pi Day on March 14. Pi was named for ...

Pi Day is the annual celebration of the mathematical constant, Pi. Here's what to know about its date, and why we celebrate it by eating pie.