Figure 2.
Input panels. By default, all panels except for ‘Input data’ are hidden and can be displayed by clicking on the selected tab.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.