Use console input below image to modify view of it. In example: "mb power 4 power2 2.6 xmin -0.6 xmax -0.5 ymin -0.6 ymax -0.5".
Drag a rectangle over the image to zoom in
For better reference, after the drag is complete, console input will be filled with generated command
Or just use some predefined commands assigned to buttons on the right part of the rendered image
There is option to generate gif animations like this (not yet implemented in web app version - soon will be done):
Use this input to force "k" value when zooming. If input is empty k will have default value.