CAD tip # 4280:

Question

CAD

% platform category

Using expressions in AutoCAD dialog boxes.

In AutoCAD 2006 (and higher) you can evaluate mathematical expressions entered in dialog boxes and palettes.

In dialog fields asking for a numerical value (e.g. DIMSTYLE) you can enter expressions like:

=22/3+1
=sin(0.5)
=d2r(45)
=cvunit(10,yd,m)
=MyLISPvariable+1

In the field then press the End (since 2006sp1 the Alt+Enter) keyboard button and the expression is evaluated (computed) like in the AutoCAD QuickCalc calculator. This behaviour can be suppressed with the CALCINPUT system variable.

For older AutoCAD versions you can use e.g. AutoCAD Assistant.

ACAD2010ACAD2008ACAD2006ACLTADTMap

*CAD

15.3.2005 16998×

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applies to: AutoCAD 2010 · AutoCAD 2008 · AutoCAD 2006 · AutoCAD LT · AutoCAD Architecture · AutoCAD Map 3D ·

See also:
Tip 14484:	Minimum, maximum, average, sum and delta values from selected drawing texts.
Tip 14459:	How to replace missing functions min() and max() in Revit expressions?
Tip 14441:	How to set the number of CPU cores used in Nastran for analysis?
Tip 14417:	Quick calculator on an AutoCAD keyboard shortcut.
Tip 14363:	Yesterday's, tomorrow's, past or future date in the DWG drawing.

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