R12 Lite is a fun mobile game from the Schedulaton LLC series consisting of 12 numbers. (It is the lite FREE VERSION of a bigger full version R12). R12 Lite can help almost anyone including kids and adults with a fundamental understanding of numbers using basic mathematical concepts. R12 is a must have for every student, child or adult. It can be considered a fun student companion even a fun tutorial. At some point every human being runs into numbers and basic mathematical concepts. Why not have fun doing it. Answers and corrections are always available at your finger tips. Go ahead download R12 lite or full version and be as sharp as you can be the the next time you encounter numbers.