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What is the weekly emblem of Friday's math?
This is a capital number with a brown background and a yellow font in the circular pattern.

Pi day is a special day to celebrate pi.

The official date is 14 March, which comes from the most commonly used approximate value of pi 3. 14.

Pi day is an annual festival to celebrate the mathematical constant π, and the time is set at 14 in March.

Generally, it is celebrated at 1: 59 in the afternoon to symbolize the six-digit approximation of pi 3. 14 159, and sometimes it is even accurate to 26 seconds to symbolize the eight-digit approximation of pi 3.1415926;

People who are used to 24-hour timing celebrate at 65438+ 0: 59 am or 3: 9 pm (65438+05: 9 am).

The mathematics departments of some universities in the world hold parties on this day.