MiniCalc de Finanças Pessoais is a Chrome extension developed by Igor Santos that offers a range of calculators to streamline your personal financial organization. With this extension, you can easily perform routine financial calculations at your fingertips.

The extension provides several useful features, allowing you to:

• Calculate the earnings and percentage of your investment by comparing the previous month's balance with the current one.
• Compare the available LCI/LCA and CDB/LC options on your brokerage platform to determine which is more advantageous.
• Calculate the future value of an investment or loan based on a fixed interest rate or indexed to the CDI.

MiniCalc de Finanças Pessoais is a free extension that can be accessed on Chrome. It offers a user-friendly interface and provides quick and accurate results for your financial calculations. Additionally, the extension also offers a simple Rule of Three calculator for added convenience.