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ASSISTANT - a handy calculator for all AutoCAD dialogues (R14)
275kB
 
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PressureDrops - pressure drop MEP calculations for Revit 2026-2023, V1.2.0 (Trial; EN/CZ) External
24MB
10.7.2025
V1.2.0
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FixArea13 - fix polylines with overlapping segments for Area calculations in AutoCAD 2013 (VLX LISP for AutoCAD)
13kB
6.4.2013
 
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LTspiral.xlsx - example of 2D spiral calculated in Excel, XY polyline ready to paste into AutoCAD LT
15519
9.3.2015
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MathCalc - online engineering calculator palette in AutoCAD 2025-2015 (VLX LISP for AutoCAD and LT)
20kB
5.3.2025
V1.0
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NumTab creates an automatic table with number-sequence and dynamic recalculation (A2006)
11kB
17.11.2008
V1.1
 
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TBRCALC - interactive dialog-based scientific calculator for AutoCAD
 
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DesignJet printing costs calculator External
3.7MB
1.5.2005
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How to load a LISP application (.LSP/.VLX) into AutoCAD? See the Tip 7245.

Many other files also on ARKANCE Helpdesk, CAD blocks in the Block catalog.