History
Fun Facts
Pi the Number
Bonus 1
Bonus 2
100

Who discovered Pi?

Archimedes of Syracuse

100

Whose birthday happens to be on Pi day?

Albert Einstein

100

Pi equals…? (first 4 digits)

3.141

100

Is pi a rational or irrational number?

Irrational

100

True or False, pi is the most recognized constant in the world?

True


200
How long ago was pi discovered?

200-300 range 

200

Is pi ancient? (Yes or no)

Yes

200

What shape does pi deal with? 

A circle

200

What is Archimedes constant? 

Pi

200

Why do we use a symbol for pi instead of writing it as a number?

It's too large of a number

300

Who, in 1706, first gave the Greek letter “pi” its current mathematical definition?

William Jones

300

Pi is the __ letter in the Greek alphabet

16th

300

What is the “formal” definition of pi?

The ratio of a circle’s circumference to its diameter.

300

Name the first 8 numbers of pi

3.1415926

300

What 1768 claim about pi is the German mathematician Johann Lambert famous for?

Pi is an irrational number

400

What is the earliest known reference to pi in history?

In an Egyptian/Babylonian papyrus roll in 1650

400

Does the GPS use pi to calculate positions on Earth? (True or False)

True

400

Are pi’s digital periodic? Do they repeat themselves in any sort of pattern over time?

No

400

How many hours did it take a supercomputer to calculate pi to 51.5 billion digits, in 1997? 

29 hours

400

In the first 30 places of pi's decimal expansion, which number is completely missing? 

0

500

In 1897 which state unanimously passed a bill setting pi equal to 16 / √3

Indiana

500

The first known celebration of Pi Day was organized by Larry Shaw in 1988 and took place in…?

San Francisco, Ca

500

What is the Feynman Point in Pi? 

A place where, starting at the 762nd decimal of pi, there is a series of six consecutive 9's

500

What day does Europe celebrate Pi day? 

July 22nd

500

Pi Day is celebrated on March 14. (which was chosen because it resembles 3.14) What time does the official celebration begin?

1:5P PM or 2:00 PM

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