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  - math.1_PImath.1_PI
  - math.2PImath.2PI
  - math.2_PImath.2_PI
  - math.2_SQRTPImath.2_SQRTPI
  - math.Emath.E
  - math.FLOAT_DIGmath.FLOAT_DIG
  - math.FLOAT_EPSILONmath.FLOAT_EPSILON
  - math.FLOAT_MANT_DIGmath.FLOAT_MANT_DIG
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  - math.FLOAT_MAX_10_EXPmath.FLOAT_MAX_10_EXP
  - math.FLOAT_MAX_EXPmath.FLOAT_MAX_EXP
  - math.FLOAT_MINmath.FLOAT_MIN
  - math.FLOAT_MIN_10_EXPmath.FLOAT_MIN_10_EXP
  - math.FLOAT_MIN_EXPmath.FLOAT_MIN_EXP
  - math.FLOAT_RADIXmath.FLOAT_RADIX
  - math.INTEGER_BITmath.INTEGER_BIT
  - math.INTEGER_MAXmath.INTEGER_MAX
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  - math.LN10math.LN10
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  - math.LOG10Emath.LOG10E
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  - math.NANmath.NAN
  - math.NEG_HUGE_VALmath.NEG_HUGE_VAL
  - math.NEG_INFINITYmath.NEG_INFINITY
  - math.PHImath.PHI
  - math.PImath.PI
  - math.PI_2math.PI_2
  - math.PI_4math.PI_4
  - math.POS_HUGE_VALmath.POS_HUGE_VAL
  - math.POS_INFINITYmath.POS_INFINITY
  - math.SQRT1_2math.SQRT1_2
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math.PI

FLOAT, read-only, constant.

The value of the ratio of a circle’s circumference to its diameter (Pi).

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