Erasurvey Calculator is a Chrome extension offered by the Erasurvey.org community. This free calculator allows users to perform basic calculations such as addition, subtraction, multiplication, and division with just one click. With its simple and intuitive interface, users can quickly and easily input numbers and perform calculations without the need for a separate calculator application. Whether you're working on a spreadsheet, browsing the web, or composing an email, Erasurvey Calculator provides a convenient and efficient way to perform quick calculations without interrupting your workflow. This Chrome extension is a handy tool for anyone looking for a lightweight and easy-to-use calculator right in their browser.