Little Ape's Oral Calculus is an app launched by Ape Tutoring Online Education for primary school students. Functionally, the little ape's camera function is particularly practical, and it can really judge right or wrong in seconds. Users only need to take photos of math homework, which can help users judge right or wrong in one second, and can also provide targeted analysis and counseling, so that children can "correct when they know their mistakes".

Xiao Yuan's mental arithmetic plays a very good role in inspiring children's thinking. For every parent and teacher, it can also play a very efficient role in supervising children. It only takes a few minutes every day to get a good educational effect.