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''One of the [[Crimson Hand]] member known as [[Pi (The Crimson Hand)|Pi]].'' | |||
The mathematical concept of '''Pi''' ('''3.14159...''') was the ratio of any circle's circumference to its diameter. | The mathematical concept of '''Pi''' ('''3.14159...''') was the ratio of any circle's circumference to its diameter. | ||
Revision as of 13:36, 5 May 2010
One of the Crimson Hand member known as Pi. The mathematical concept of Pi (3.14159...) was the ratio of any circle's circumference to its diameter.
In the Tomb of Rassilon on Gallifrey a death trap existed to guard Rassilon, where stepping so far into the room would cause lightning to strike down upon the intruders. Pi was the only way to reach across the room without being destroyed. (DW: The Five Doctors)
The square root of Pi is (approximately) 1.772453850905516027298167483341. The Doctor used that sequence to test the intelligence and memory retention of the Midnight entity. (DW: Midnight)
