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CAD tip CAD tip # 6103:

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Q - question

Arithmetic expressions in AutoCAD dynamic input fields.

A - answer Using AutoLISP, you can enter values computed as mathematical expressions - at almost any prompt in AutoCAD, including the fields of dynamic input interface.

E.g. when specifying a line length (direction given by cursor rubberline) you can enter not only a number (distance) but also a LISP function (equation) enclosed in round brackets - e.g.:

(- 264 39)
(* 6 7)
(/ 22.0 7.0)
(+ 1 2 3 4 5)
Please note that the LISP notation is different from common arithmetics - first comes the function, then its operands.
ACAD
100% *  CAD 
22.4.2008    8525×  
Prices - CAD eShop:
applies to: AutoCAD ·

See also:
Tip 12777:Arithmetic and trigonometric functions available in Revit expressions.
Tip 12624:How to enter dimensions in Revit using other units?
Tip 12002:Arithmetic expressions with measured distances in AutoCAD.
Tip 11994:How to scale a 3D model to a given size in Fusion 360?
Tip 11721:A handy calculator - expression evaluator in 3ds Max.


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