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Pi
01
pi, 抗病毒药物
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
02
派, π (希腊字母)
the 16th letter of the Greek alphabet
03
研究员, 科学家
the scientist in charge of an experiment or research project
04
π, 圆周率
a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159
pi
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例子
In mathematical notation, the symbol 'π' represents the mathematical constant pi.
The number 3.14 is a decimal representation of the mathematical constant pi, which is approximately equal to 3.14159265359.
In geometry, the area of a sector of a circle is determined by the formula A = 0.5 * r² * θ, where θ is the angle in radians, often involving pi.
Trigonometric functions involving angles in radians often yield results containing multiples of pi.
The circumference of a semicircle is C = π * r, showcasing the presence of pi in geometric calculations.
