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164 lines
2.8 KiB
Markdown
164 lines
2.8 KiB
Markdown
# math
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The math module provides some basic mathematical functions for working with floating-point numbers. Floating point support required for this module.
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## Methods
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### math.acos\(x\)
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Return the inverse cosine of `x`.
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### math.acosh\(x\)
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Return the inverse hyperbolic cosine of `x`.
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### math.asin\(x\)
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Return the inverse sine of `x`.
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### math.asinh\(x\)
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Return the inverse hyperbolic sine of `x`.
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### math.atan\(x\)
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Return the inverse tangent of `x`.
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### math.atan2\(y, x\)
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Return the principal value of the inverse tangent of `y/x`.
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### math.atanh\(x\)
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Return the inverse hyperbolic tangent of `x`.
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### math.ceil\(x\)
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Return an integer, being x rounded towards positive infinity.
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### math.copysign\(x, y\)
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Return x with the sign of `y`.
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### math.cos\(x\)
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Return the cosine of `x`.
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### math.cosh\(x\)
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Return the hyperbolic cosine of `x`.
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### math.degrees\(x\)
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Return radians `x` converted to degrees.
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### math.erf\(x\)
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Return the error function of `x`.
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### math.erfc\(x\)
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Return the complementary error function of `x`.
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### math.exp\(x\)
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Return the exponential of `x`.
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### math.expm1\(x\)
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Return `exp(x) - 1`.
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### math.fabs\(x\)
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Return the absolute value of `x`.
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### math.floor\(x\)
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Return an integer, being `x` rounded towards negative infinity.
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### math.fmod\(x, y\)
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Return the remainder of `x/y`.
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### math.frexp\(x\)
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Decomposes a floating-point number into its mantissa and exponent. The returned value is the tuple `(m, e)` such that `x == m * 2**e` exactly. If `x == 0` then the function returns `(0.0, 0)`, otherwise the relation `0.5 <= abs(m) < 1` holds.
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### math.gamma\(x\)
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Return the gamma function of `x`.
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### math.isfinite\(x\)
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Return `True` if `x` is finite.
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### math.isinf\(x\)
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Return `True` if `x` is infinite.
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### math.isnan\(x\)
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Return `True` if `x` is not-a-number
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### math.ldexp\(x, exp\)
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Return `x * (2**exp)`.
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### math.lgamma\(x\)
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Return the natural logarithm of the gamma function of `x`.
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### math.log\(x\)
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Return the natural logarithm of `x`.
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### math.log10\(x\)
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Return the base-10 logarithm of `x`.
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### math.log2\(x\)
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Return the base-2 logarithm of `x`.
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### math.modf\(x\)
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Return a tuple of two floats, being the fractional and integral parts of `x`. Both return values have the same sign as `x`.
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### math.pow\(x, y\)
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Returns `x` to the power of `y`.
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### math.radians\(x\)
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Return degrees `x` converted to radians.
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### math.sin\(x\)
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Return the sine of `x`.
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### math.sinh\(x\)
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Return the hyperbolic sine of `x`.
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### math.sqrt\(x\)
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Return the square root of `x`.
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### math.tan\(x\)
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Return the tangent of `x`.
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### math.tanh\(x\)
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Return the hyperbolic tangent of `x`.
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### math.trunc\(x\)
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Return an integer, being `x` rounded towards `0`.
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## Constants
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* `math.e`: Base of the natural logarithm
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* `math.pi`: The ratio of a circle’s circumference to its diameter
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