Although for most users the newer Quickcalc function with its graphical interface will provide a more efficient workflow. Since the command line utilises Lisp, this command line method of evaluating numbers is not available for AutoCAD LT. Also, the expression (* (+ 2 3) 2) yields 10, as AutoCAD will evaluate the inner parentheses first. This method works very similar to how formulas are used in Excel. The format is - ( Expression value value) This can be directly from the (full) AutoCAD command line. However, there are other ways to calculate values without the Quickcalc function. The Quickcalc function has been in AutoCAD since 2006 and I often point users to this environment as it possesses a useful Units convertor, like Square Feet to Square Metres, which can save users a lot of painful number crunching. This can be useful when working out unknowns within a drawing to something straightforward like an enclosed area. IF (Number 26, Area / 2, Area) where Number is the room number. For many years AutoCAD has had several calculator tools. Hello I get the Improper use of boolean expressions message, i dont know how to make it work.
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