BigBrainMath is a Chrome extension that brings flash anzan, a mental calculation technique, right to your browser. This handy tool is perfect for those who struggle to find time to practice their math skills. With its user-friendly interface and simple functionality, BigBrainMath makes it easy to enhance your mental math abilities.

To get started, simply click on the Chrome extension in any tab, and a small popup window will appear with a start button. You can customize your preferences by clicking on the gear icon, adjusting settings such as the number of digits in each flashing number, the speed of the flashing numbers, and the quantity of numbers to be displayed.

Once you've set your preferences, click the "X" button to return to the main menu, then click the start button to begin the flash anzan session. Pay close attention to the flashing numbers and try to mentally calculate the answer. At the end of the session, input your answer to see if you were successful. The ending screen will display the numbers that flashed and the correct answer.

With BigBrainMath, you can practice your mental math skills and become a master mathematician. So why wait? Start improving your math abilities today!