Arithmetic
functions
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Function
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Description
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(+ (add) [ number number]
...)
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Returns
the sum of all numbers
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(- (subtract) [number
number] ...)
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Subtracts
the second and following numbers from the first and returns the
difference
|
(* (multiply) [number
number] ...)
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Returns
the product of all numbers
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(/ (divide) [number
number] ...)
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Divides
the first number by the product of the remaining numbers and returns
the quotient
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(~ (bitwise NOT) int)
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Returns
the bitwise NOT (1's complement) of the argument
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(1+ (increment) number)
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Returns
the argument increased by 1 (incremented)
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(1- (decrement) number)
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Returns
the argument reduced by 1 (decremented)
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(abs number)
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Returns
the absolute value of the argument
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(atan num1 [num2])
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Returns
the arctangent of a number in radians
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(cos ang)
|
Returns
the cosine of an angle expressed in radians
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(exp number)
|
Returns
the constant e (a real) raised to a specified power (the natural
antilog)
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(expt base power)
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Returns
a number raised to a specified power
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(fix number)
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Returns
the conversion of a real into the nearest smaller integer
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(float number)
|
Returns
the conversion of a number into a real
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(gcd int1 int2)
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Returns
the greatest common denominator of two integers
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(log number)
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Returns
the natural log of a number as a real
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(logand [ int int ...])
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Returns
the result of the logical bitwise AND of a list of integers
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(logior [ int int ...])
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Returns
the result of the logical bitwise inclusive OR of a list of integers
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(lsh [ int numbits])
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Returns
the logical bitwise shift of an integer by a specified number of
bits
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(max [ number number ...])
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Returns
the largest of the numbers given
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(min [ number number ...])
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Returns
the smallest of the numbers given
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(minusp number)
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Verifies
that a number is negative
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(rem [ num1 num2 ...])
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Divides
the first number by the second, and returns the remainder
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(sin ang)
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Returns
the sine of an angle as a real expressed in radians
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(sqrt number)
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Returns
the square root of a number as a real
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(zerop number)
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Verifies that a number evaluates to zero
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