Pi

An online crossword puzzle with 16 words. Play it free at AgileCrosswords.com.

Clues

Indian text that gives pi as 3.139
Its decimal expansion never ends or repeats
The first person to estimate pi rigorously
Brothers who first used a computer to compute pi over one billion digits
Had 32 digits of pi engraved on his tombstone
Proved that pi is irrational
Another name used for pi
20th century Indian mathematician who found many new formulas for pi
Chinese mathematician whose approximation for pi was used for 900 years
Correctly estimated pi to 11 decimal places using the Gregory-Leibniz series
Persian astronomer wh determined pi to 16 digits
Leader of a Japanese team that currently holds the pi calculation record of 1,241,100,000,000 digits
Spent 15 years calculating pi to 707 digits of which only 527 were correct
Adopted the Greek letter pi from the Greek word perimeter in 1706
Computer used to calculate pi to 2037 digits in 1949, this took 70 hours
Calculated 200 digits of pi in his head in 1844