Function Entry: 1-

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Function Entry: 1-

Name

1-

Class

Function

Syntax

(1- number)

Arguments and Values

  • number: integer or real.

Description

Decrements number by 1.

Return Values

The input number minus 1. Return type matches input type.

Side Effects

None.

Examples

  • (1- 5) returns 4.
  • (1- -17.5) returns -18.5.

Availability

  • AutoCAD 2026: documented.
  • BricsCAD V26: presumed compatible.
  • Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.