How Subtract AutoCAD Numbers? | TutoCAD

Understanding How to Subtract Numbers in AutoCAD

Subtracting numbers in AutoCAD requires using specific commands and tools effectively. Here’s a comprehensive step-by-step guide on how to manage numerical operations within this software.

Step-by-Step Process for Subtracting Numbers

Step 1: Setting Up Your Environment

Open your desired drawing in AutoCAD. Ensure that the Lisp programming environment is activated, which allows you to utilize the custom commands.

Step 2: Loading Lisp Routines

• To commence subtracting numbers, you first need to load the required Lisp routine:
  1. Type LOAD into the command line.
  2. Follow the prompts to load the specific Lisp file that contains the numerical operation functionality.

Step 3: Initiating the Increment Command

• Once the Lisp routine is loaded, you will need to initiate the increment command:
  1. Type INC in the command line, and press Enter.
  2. A message will appear, prompting you to “Select TEXT containing NUMBERS to increment.”

Step 4: Selecting Your Text Objects

• At this stage, use your cursor to select all relevant text objects that contain the numbers you wish to modify:
  1. Click on each text object one by one or select multiple by holding down the Shift key.
  2. After you’ve made your selection, press Enter.

Step 5: Inputting the Subtracting Increment

• You will now be prompted to enter the increment value:
  1. Type in the number you wish to subtract from the selected objects.
  2. Press Enter to finalize the operation.

Step 6: Verifying the Results

• Check the modified text objects to ensure the numbers have been adjusted as expected. The changes should reflect the subtraction based on the increment value you entered.

Utilizing the Subtract Tool in AutoCAD

The subtract tool is pivotal not just for numerical management but also for creating complex designs.

Basic Application of the Subtract Tool

1. Select the objects you wish to keep intact.
2. Press Enter to confirm your selection.
3. Next, select the objects you wish to subtract from the original selection.

This tool is beneficial for creating 3D solids or 2D regions and requires that the objects selected are on the same plane.

FAQ

1. How can I change the number format in AutoCAD?
To change the number format, you may need to adjust the text style settings or modify the individual text properties by using the properties palette to set the appearance according to your requirements.

2. Can I use AutoCAD to perform more advanced mathematical calculations?
AutoCAD primarily focuses on drafting and designing. For more complex calculations, integrating external scripts or using calculator applications would be advisable.

3. Is it necessary to load Lisp every time I open AutoCAD?
You only need to load the Lisp routine each session unless it’s included in the startup suite. Consider setting it up to automatically load if you frequently use it.