Function Entry: +

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Function Entry: +

Name

+

Class

Function

Syntax

(+ [number ...])

Arguments and Values

zero or more numeric arguments

Description

Returns the sum of the arguments.

Return Values

Numeric sum.

Side Effects

None.

Exceptional Situations

Erroneous for non-numeric arguments or host-specific numeric overflow conditions.

Examples

(+ 1 2 3) => 6

Compatibility

Core arithmetic primitive across dialects.

Availability

AutoCAD 2026: documented (per Autodesk reference page).
BricsCAD V26: presumed compatible (no contradicting page found).
Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.

Source Notes

[Non-alphabetic Functions Reference (AutoLISP)](https://help.autodesk.com/cloudhelp/2026/KOR/AutoCAD-LT-AutoLISP-Reference/files/GUID-EBDC1072-48BF-4204-80B1-73430DBF58E1.htm)
Status: documented by family summary; detailed corner cases still to be tightened.