XLISP 1-

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# 1−

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

## Syntax

(1- expr)
  expr - integer or floating point number/expression
  returns - the number minus one

## Description

The '1-' [decrement] function subtracts one from a number and returns the result.

## Examples

    (1- 1)     => 0
    (1- 99.6)  => 98.6
    (1- 1 2)   => error: too many arguments

See also:

- Contents → Arithmetic Functions

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