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公式与函数帮助
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PI
PI 函数返回 π (pi)（圆的圆周与其直径的比）的近似值。
PI()
注释
PI 函数无任何参数。但是，它必须包括圆括号。
PI 函数精确到 15 个小数位。
示例 |
|---|
=PI() 返回近似值 3.14159265358979。 =SIN(PI()/2) 返回 1（π/2 弧度或 90 度的正弦值）。 |
另请参阅SQRTPI
感谢您的反馈。