What is pi? Simple geometry – Math, circles, circumference, diameter
What is pi? The geometry of a circle What is pi? Pi is a number that is just a little bigger than 3.14. It is the number you get if you divide [...]
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07, 2017
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06, 2017
Math and Numbers in Ancient China
Chinese numbers: number rods Chinese numbers People in China were using written numbers by about 1500 BC, in the Shang Dynasty. This is about two thousand years later than people began [...]