Noted That:

• To install correctly this attribute-calculator.zip .
• Fisrt Download the attribute-calculator.zip to your computer
• Extract/Open attribute-calculator.zip to Your Computer.
• Then, Find readme.txt file inside attribute-calculator.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " attribute-calculator.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " attribute-calculator.zip "  Downloaded plugin from your computer, Where you downloaded attribute-calculator.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Attribute Calculator " folder is added on left sidemenu. Now, Click on " Attribute Calculator " folder.

   Noted that: If you do not see " Attribute Calculator " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Attribute Calculator Configurtions and Settings or How to work " Attribute Calculator " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " Attribute Calculator " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Attribute Calculator
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

After activation you will have a new submenu under Plugins. Follow that to enable and set your attribute name.
Make sure you have an attribute terms with a number. ex: 1 Foot, 2 Feet, 4 Feet, ect
This is designed to work with the attribute term’s slug and will multiply by that number.
You then need to add this attribute to your variable products along with it’s terms, click use for variations and then you can avoid making variations for products that are sold in length, ect.