![]() This means that Pi will go on forever without ever repeating. This means that scientists and mathematicians came to the conclusion that Pi was an irrational number. It was determined that 527 of the 707 digits were indeed correct. Here is the fraction: 1 1 3 3 5 5 7 7/ 2 2 4 4 6 6 8 8… Another important scientist was William Shanks who used a formula created by John Machin to calculate 707 digits of Pi in 1873. The numerator is odd numbers multiplied by odd numbers and the denominator is even numbers multiplied by even numbers. The digits in the formula go out to infinity. A scientist named John Wallis discovered an infinite fraction that also suggests that Pi is infinite. His formula for Pi looked like this: This was the first formula to suggest that Pi was infinite. Then, sometime around the Renaissance period, another mathematician/scientist made improvements to Archimedes’ theories and he came up with a new formula around 1593. Pi wasn’t a thing that many people wanted to explore. Archimedes did this until he had a shape that had 96 sides. If we increase the number of sides on the polygon, the approximation of the circumference increases. Then he started drawing polygons around the circle so that the polygons barely touched the circle. How Archimedes discovered this was he drew a circle that had a radius of 1. Using this formula, Archimedes discovered Pi to be 3.14. Archimedes came up with this theory for Pi. Archimedes was the first person to have a theory for Pi, and he almost had it down to the thousandths. One Babylonian tablet had calculated Pi to be 3.125. They took 3 times the radius squared (3r 2 ) and they used 3 for Pi. Then the Babylonians tried to calculate Pi too. The Egyptians used the formula above to calculate Pi to 3.16. The Egyptians used this formula to try to find Pi A=( 8/9)d 2 The Egyptians were first to try to discover it. Many scientists and mathematicians built off of each other’s theories to try to find or discover more of Pi. Pi was discovered somewhere around the time 212 BC. Pi was discovered by the ancient Greek mathematician Archimedes. This number may seem big, but a trillion would only be like having 5 or 10 of something if you were comparing it to something that never ends. A scientist named Fabrice Bellard says that they have at least discovered 2.7 trillion digits in Pi. Unlike other decimals, Pi doesn’t repeat either. It may not seem like a big deal, but no matter how many times scientists try to find an ending, the decimal just keeps going on. Did you know that if you put 3.14 backwards (413) and flip the numbers to make each number backwards to, that it will spell “pie?” By Pi, I don’t mean like a fruit pie or a type of dessert, I mean the scientific number that never ends. If Pi starts with 3.14, then you can make the connection that the first three numbers of Pi match the date in which National Pi Day takes place. National Pi Day takes place every March 14.
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