Fast web calculator is a free Chrome add-on developed by browserapps2000. This handy tool allows users to perform arithmetic calculations directly on web pages. Simply highlight the mathematical expression of interest and get the result instantly.

In the free version, users can enjoy basic arithmetic operations such as addition, subtraction, multiplication, and division. These features provide quick and convenient calculations without the need for a separate calculator application.

For those seeking more advanced functionality, the paid version offers a wide range of additional features. Users can access functions like log2, log10, mod, sin, cos, tan, and more. These extended capabilities make the paid version of Fast web calculator a powerful tool for complex mathematical operations.

With its intuitive interface and seamless integration into the Chrome browser, Fast web calculator is a valuable add-on for anyone who frequently needs to perform calculations while browsing the web.