The ヤフーショッピング計算機(税抜対応ver) is a Chrome add-on developed by NRS systems. It is a free program that falls under the category of Browsers and the subcategory of Add-ons & Tools.

This program allows users to calculate the total amount spent on Yahoo Shopping over a specified period. After clicking the "Yahooへ" button, users can input their desired time frame and click the "Run" button to initiate the calculation. The program displays both pre-tax and after-tax amounts, making it useful for event budgeting and tracking.

Please note that logging into Yahoo is required to use this application. If you are not logged in, you will be prompted to do so.

It is important to note the following when using this application:

• The program offers a 7-day trial period after installation.
• After 7 days, users can obtain a free password on the message page to continue using the program.
• Inputting the password grants 180 days of free usage.
• Please understand that this support is solely for updates, upgrades, and other important information related to the application.