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Along with October, May is one of the most densely packed months of the year. It's before the summer humidity and the last whole month of the school year. The weather is warming in t...
The solstice on the 20th marks the onset of summer (Northern Hemisphere) or winter (Southern Hemisphere). Many people, particularly in Europe, North America and Asia, will be embarking o...
Spring has sprung in the north, and the first hints of Autumn are on the horizon in the south. April is the month spring (or fall) gets underway, and it is filled with religious celebrations, including the Mu...
Pi Approximation Day is a play on numbers: the seventh month of the year and the twenty-second day of that month. Math enthusiasts celebrate this day as the standard approximation of pi: twenty-two divided by seven.
Pi Approximation Day began at the Chalmers University of Technology in Gothenburg, Sweden. Pi is the mathematical constant equivalent to the 3.14159 or the diameter ratio to a circle's circumference. Pi is an irrational number; thus, it cannot be a common fraction.
Since the 18th century, the Greek letter 'π' has represented pi.
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