- Who found pi?
- Does the number pi ever end?
- Can you find your birthday in Pi?
- What is the world record for most digits memorized of pi?
- How long did it take Lu Chao to recite pi?
- Can you tell me the first 100 digits of pi?
- Is Pi an infinite?
- Is there a 666 in pi?
- Can you be pi years old?
- What is pi in binary?
- Is there a 0 in pi?
- Why is PI on March 14?
- Why do engineers round pi to 3?

## Who found pi?

Archimedes of SyracuseThe first calculation of π was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world..

## Does the number pi ever end?

Because while these other national holidays come to an end, Pi Day actually doesn’t come to an end, because though Pi technically isn’t infinite, it does, in a sense, never fully end. Pi, formally known as π in the world of mathematics, is the ratio of the circumference of a circle and the diameter of a circle.

## Can you find your birthday in Pi?

Happily, if you include the zeros, birthdays are 8 digits long — so you have a 63% chance of finding your birthday in the first 100 million digits of pi. Now that we’re to 200 million, the odds are up to 86%, so it’ll be a while before everyone can find their birthday in Pi.

## What is the world record for most digits memorized of pi?

67,890 digitsThe current Guinness World Record is held by Lu Chao of China, who, in 2005, recited 67,890 digits of pi.

## How long did it take Lu Chao to recite pi?

1. How long did it take you to recite the 67,890 places ? It took me 24 hours 4 seconds to recite to the 67,890th place of Pi.

## Can you tell me the first 100 digits of pi?

3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 … PI/4 = 1/1 – 1/3 + 1/5 – 1/7 + …

## Is Pi an infinite?

Value of pi Pi is an irrational number, which means that it is a real number that cannot be expressed by a simple fraction. That’s because pi is what mathematicians call an “infinite decimal” — after the decimal point, the digits go on forever and ever.

## Is there a 666 in pi?

Pi is the 16th letter of the Greek alphabet just as p is the 16th of our alphabet. … The first 144 digits of pi add up to 666, the Number of the Beast in the Book of Revelation. 6. Albert Einstein was born on Pi Day: March 14, 1879.

## Can you be pi years old?

We have come up with the symbol π to make it easier to envision this irrational ratio between circumference and diameter. … Although you pass it instantly, you are aged π years old, for a fragment of a second, in fact, you are that age for just as long as you are exactly 3, 5, 10, or 50 years old.

## What is pi in binary?

This equals 3.140625 in decimal (all binary floating-point numbers have exact decimal representations), which approximates pi accurately to about 4 decimal digits.

## Is there a 0 in pi?

Pi is not equal to a number which has 0 in its first thirty digits. The digits of pi are determined and there is nothing probabilistic about them. 3.1428571428571428571recurring is the real answer to pi. there are no zeros in pi anywhere.

## Why is PI on March 14?

March 14 is Pi Day. It is a day to celebrate the mathematical constant pi (π) and to eat lots of pie. … It is celebrated in countries that follow the month/day (m/dd) date format, because the digits in the date, March 14 or 3/14, are the first three digits of π (3.14). Pi Day was founded by Physicist Larry Shaw in 1988.

## Why do engineers round pi to 3?

Engineers use as many digits as they need to meet the specifications of a particular project. If single-digit accuracy is sufficient, then an engineer might use 3.