A free app for Android, by Programmerworld.

Rapid Math Tricks & Tips is an educational application for anyone who wants to learn mathematics in a fast, easy, and convenient way. With this application, you can perform various mathematical calculations and tricks. There are 8 categories, and within each category, there are many samples of each trick. So, you will not only learn the math tricks but also be able to apply them in different situations.

The application consists of several steps. First, you need to choose a number from the list. Then, you need to calculate it by using the given formula. Finally, you need to get the answer by subtracting the number that you have calculated. If the answer is not a multiple of 10, then the result is not correct. So, it is very important that you get the answer right.

The application has been designed to make the process of learning math easier and more fun. So, there are no complicated formulas and mathematical tricks. The application is very simple and intuitive. So, even if you have never learned math, you can use this app and get a good result.

The application allows you to choose a number from 3 to 13. So, you can perform calculations for any number.