AutoCAD 2008 User's Guide > Create and Modify Objects > Use Precision Tools > Use a Calculator > Use the QuickCalc Calculator > Create and Use Calculator Variables > 
Create and Use Calculator Variables
Concept Procedure Quick Reference
 
 
 

To evaluate mathematical expressions in a dialog box

  1. If necessary, set the CALCINPUT system variable to 1.
  2. In a dialog box, in an area where you can enter a numeric value, enter a mathematical expression in the following format: =expression (for example, =5+3).
  3. Click END on the keyboard.

    The expression is evaluated and its value is displayed.

     Command entry: CALCINPUT