Guide

The communication book is a place prepared with the thought of arranging expressions from symbols from the book adapted to the user's needs. Beam with arranged expression Clicking on an element in the beam removes it. Elements can be swapped with each other. Communication book in the form of catalogs. Pressing the selected element opens the catalog (elements without borders) or adds a symbol to the expression (elements with borders). Holding an item magnifies and reads it. There, using the add button, we can add the selected element ...