Hello World
Traditional programmers like as their first example to write a program to say "Hello World". This is very easy to do. Simply click on the background, select "Data", and "Simple", and enter "Hello World". Then again "Data" and "Result" and then click on the tabs to connect them. You should have something like this.
Graphing
Here is a simple graphing application from a table of values: click here
Calculation into table
Here is a simple calculation application from a table of values to a table of values: click here
Take the first part of a sequence
This uses an iterator to make a sequence of values, and then takes the first part of the sequence: click here.