Mencal is an app that helps you expand your ability to mentally solve math problems. It provides lessons and simple tricks to allow you to work with three-digit numbers, fractions, and finding sums with multiplication and division. The app also tests your grasp and knowledge of the methods you've learned.

One of the examples provided by Mencal is the technique to quickly multiply two numbers, such as 38 and 32. By following a step-by-step process, you can arrive at the correct answer ofThe app also offers tricks for quickly squaring numbers, including numbers made up of 1's, 3's, and numbers in the 90's.

Mencal covers a wide range of standard mental math techniques, such as multiplying by 11, multiplying two-digit numbers, and dividing any number by 5. These techniques can be valuable for students, math team practice, and anyone who wants to improve their mental math skills.

Overall, Mencal is a useful app for anyone looking to enhance their mental math abilities. It provides clear explanations and practice opportunities to sharpen your skills. The app has received positive feedback from users and offers a full version with no licensing limitations.