Hello to all users! Sorry if not in the subject) 
I have developed a small website designed for all students, schoolchildren and technical specialists who work with the construction of graphs of functions and mathematics! 
My platform will help you create charts absolutely for free. This is a great solution for those who want to visualize functions and find useful examples of already constructed graphs. 
On the website https://mat4ast.info/example-graphs/power/
 you can simultaneously plot m