Operators

Topics in this section

• + (add)

  Returns the sum of all numbers.

• - (subtract)

  Subtracts the second and following numbers from the first and returns the difference

• * (multiply)

  Returns the product of all numbers

• / (divide)

  Divides the first number by the product of the remaining numbers and returns the quotient

• = (equal to)

  Compares arguments for numerical equality

• /= (not equal to)

  Compares arguments for numerical inequality

• < (less than)

  Returns T if each argument is numerically less than the argument to its right; otherwise nil

• <= (less than or equal to)

  Returns T if each argument is numerically less than or equal to the argument to its right; otherwise returns nil

• > (greater than)

  Returns T if each argument is numerically greater than the argument to its right; otherwise returns nil

• >= (greater than or equal to)

  Returns T if each argument is numerically greater than or equal to the argument to its right; otherwise returns nil

• ~ (bitwise NOT)

  Returns the bitwise NOT (1's complement) of the argument

• 1+ (increment)

  Increments a number by 1

• 1- (decrement)

  Decrements a number by 1