Nyquist / XLISP 2.0  -  Contents | Tutorials | Examples | Reference


Type:   -   function (subr)
Source:   -   xlmath.c

Syntax

(- expr1 ...)
exprN - integer or floating point number/expression
returns - the result of the subtraction

Description

The '-' function subtracts one or more numbers from the first number given and returns the result. If there is only one number as an argument, it is negated.

Examples

(- 1)         => -1
(- 1 2)       => -1
(- 1 2 3)     => -4
(- 1 2 3 4)   => -8
> (print (- 1 2 (* 3.5 (/ 3.9 1.45))))
-10.4138
-10.4138

See  * ,  / , print. XLISP first prints the value on the screen, the second number is the return value.

See also:

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Nyquist / XLISP 2.0  -  Contents | Tutorials | Examples | Reference