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# Numeric

  `Numeric` is the abstract class for the numbers.

## SuperClass:

  `Object`

## Included Modules:

  `Comparable`

## Methods:

  `+ self`

    Returns `self`.

  `- self`

    Returns negation of `self`.

  `self <=> other`

    Returns -1, 0, or 1 depending on whether the left argument is numerically less than, equal to, or greater than the right argument.

  `abs`

    Returns absolute value of `self`.

  `chr`

    Returns the string that contains the character represented by that `Integer(self)` in the ASCII character set. For example, `65.chr` is `"A"`.

  `coerce(number)`

    Converts `self` and the number into mutually calculatable numbers.

  `divmod(other)`

    Returns a pair of the quotient and remainder by other.

  `integer?`

    Returns true if the receiver is integer.

  `nonzero?`

    Returns `false` on zero, the `self` otherwise.

  `to_f`

    Converts `self` into a floating-point number.

  `to_i`

    Returns an integer converted from `self`.

  `zero?`

    Returns `true` on zero.

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