【實用書籍app】Knowtation|最夯免費app-綠色工廠好玩App

Now with handwriting recognition that learns, and a list of over 500 symbols that grows!Ever forget the meaning of a mathematical symbol or the name of a Greek letter? Then this app is for you!With Knowtation, you can:• draw a symbol, see what it is called, and learn its meaning• scroll through symbols and letters organized by category, and• click on a Greek or Latin letter to get more information about how it is used in math and science.Users can contribute new symbols to the database. All submissions are manually curated before being distributed to users. Contributors get acknowledged on the website!The Knowtation website has contact information, the new symbol submission form, the leader board, and more information.