I 've experienced that the indication of coordinates e.g. A(1,2) disappears suddenly as I try to save my graph, although the coordinate-setting and the actual graph remains as planned. Is this normal or have I done something wrong?
You've done nothing wrong. The coordinates will stay on the graph only temporarily, assuming you mean the notation like (3,2). You can double-click on a point on the graph to get it to stay visible while you're working on the graph. But it will go away as you work on other things in Desmos. Thanks for the question!
Great video idea!! Use the slash key / to create a fraction (with ? On your keyboard). If a decimal answer can be converted to a fraction, Desmos will show a fraction icon on the left side of the cell. Clicking this will convert the decimal answer to a fraction. Thanks for asking!!
