>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help Primer

# Get started

Double-click the J icon to start J. Your J session should look something like this:

The window labeled 1.ijx is an execution window. You type J sentences into the ijx window and J executes them when you press enter and displays the result.

Type the following line into the ijx window and press Enter.

`2 + 3`

The sentence is executed and the result is displayed. Type the following line and press Enter.

`5 - 3`

Your session should look something like this:

Lines that you enter are indented three spaces and the J answers start at the margin.

>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help Primer