There are several input fields to put values according to the maximas and minimas. Don't forget that a 1024x768 picture with a process deep of 255 iterations will take several minutes...
Choose a color palette to apply to the calculated image
The "CoMpUtE" button process the new image by applying your values
The "Save the Session" button allows to save all your values to a text file on your local computer
The "Load a Session" button loads a previously saved *.pki file of an earlier session
Use the "Initialisation" button to go back to the default values
Do you really want to know the use of the "Help" button ?
The different "ZoomIn" and "ZoomOut" buttons allows you to to change quickly the range of the zoom factor (centered on the red rectangle)
The picture in the middle of the screen shows the entire Mandelbrot scope with the area you are viewing according to the red rectangle
Use the arrows to move either a half (simple arrow) or a full (double arrow) range as marked by the red rectangle
With your mouse you can easily zoom, by moving the crosshair on the image and clicking to choose the area to zooming in