David J Murray
~ Learn and Do - Excel and Share ~

Articles Tagged with Pi

The number π is a mathematical constant.

It is defined as the ratio of a circle’s circumference to its diameter, and it also has various equivalent definitions.

It appears in many formulas in all areas of mathematics and physics.

It is approximately equal to 3.14159.

It has been represented by the Greek letter “π” since the mid-18th century, and is spelled out as “pi”.

It is also referred to as Archimedes’ constant.

Pi Day

Today is Pi Day due to today's date - in american format - 3-14-15 or 3.1415(926 etc). https://en.wikipedia.org/wiki/Pi_Day and http://www.piday.org/  

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