DDNotes app for iPhone and iPad

The product is based on the passive electromagnetism and pressure sensitive pen techonolgy,Write on plain paper without changing the traditional way of writing,the original handwriting not onle can be retained on paper but also can be stored on the computer mobilephone ,tablet and other electrionic devices by wireless or wired connection.
The handwriting positioning is precise, the data is stored accurately, the original handwriting can be output, and the handwriting track playback is supported.

It can also be used as a digital drawing board for artistic creation.

It can be easily used in a variety of application scenarios such as double teacher classroom, interactive classroom, micro class recording, e-book bag, painting teaching, online live broadcasting and one-to-one,the A4 format with paper clip limit slot ,in school teaching.
More widely, it should be in all kinds of education, office meetings, service business halls, finance and insurance, hotel and tourism, business meeting minutes, medical treatment and other industries and individuals.