**Pi is the ratio of a circle’s circumference to its diameter and this knowledge is widely used throughout mathematics. Pi is represented often by a Greek letter , which vaguely resembles a small tab with one really curved leg. That’s the symbol in the middle.**

**In honor of ****Pi Day****, so designated by the U. S. House of Representatives in 2009, I would like to share the following sentiment:**

**“Pi r squared? No, pi are round, cake are square!”**

**Said by one very disappointed farmer father to his college graduate son, who was showing off his new learning. Maybe the value of learning is in your perspective.**

**Finally, I would like to observe that Pi is a very, very long number:**

**Thinking more about apple pie than mathematical pi in the Heartland ….**

**John**

**All images from Wikipedia**

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