To specify the number of rows or columns that you would like in your grid, click the plus and minus signs 

Click in the search menu in the upper right and begin typing a U.S. equity ticker.  You can press the enter key after completely typing it in, or click one of the suggestions.

To select the kind of Chart that you would like to see in your grid, click on the drop down menu that says Display and choose from the available types.

To select the length of chart and your periodicity, click on the drop down menu that says Time and then select either your total length or frequency.