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Pi
01
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
02
the 16th letter of the Greek alphabet
03
the scientist in charge of an experiment or research project
04
a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159
Example
Trigonometric functions involving angles in radians often yield results containing multiples of pi.
Sine and cosine waves are periodic functions with periods that are multiples of 2π, a property tied to the circle and pi.
