Function Entry: ACOS
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Function Entry: ACOS
Name
acos
Class
BricsCAD Extension Function
Syntax
(acos num)
Description
Returns the arc cosine of a number, in radians.
Return Values
Vendor-defined; see Source Notes.
Side Effects
Vendor-defined.
Examples
Not documented in the BricsCAD-Specific LISP Functions catalogue page.
Availability
- AutoCAD 2026: not documented.
- BricsCAD V26: documented.
- Status: BricsCAD-only.
See Also
- AutoCAD has no
acos. Portable code uses(atan (sqrt (- 1.0 (* x x))) x).
Source Notes
- [acos (BricsCAD V26 DevRef)](https://developer.bricsys.com/bricscad/help/en_US/V26/DevRef/source/BricsCADLISPFunctions.htm)
- Status: documented (Phase 3 body fill from the BricsCAD V26 DevRef catalogue page).