Syntax:
+ &rest numbers => sum
Arguments and Values:
number---a number.
sum---a number.
Description:
Returns the sum of numbers, performing any necessary type conversions in the process. If no numbers are supplied, 0 is returned.
Examples:
(+) => 0 (+ 1) => 1 (+ 31/100 69/100) => 1 (+ 1/5 0.8) => 1.0
Affected By: None.
Exceptional Situations:
Might signal type-error if some argument is not a number. Might signal arithmetic-error.
See Also:
Section 12.1.1 (Numeric Operations), Section 12.1.3 (Rational Computations), Section 12.1.4 (Floating-point Computations), Section 12.1.5 (Complex Computations)
Notes: None.
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