"I describe to you the following steps that solved for me the zoom region pixelatiom problem: 1. Publish your project 2. Go to the mobile ..."

"Hi Wendy The option you gave is very interesting. Thank you very much. I wonder if there is a way to display all the fractions in the sa..."

"If it is possible with three or more fractions. If i do it with layers, how can i do this? Creating layers with one number variable  in ..."

"Hi Wendy. Thanks for your reply! I want to have one submit button for all the actions. Also i want the student, for example, to complete..."