Add

You can use functions such as yellow arrows to perform arithmetic functions such as adding subtracting etc

Make sure the inputs are controls and the outputs are indicators.

Add arrays you can also perform the function on many rows of data

Connecting a CD player to your sound card

Earphones out to microphone jack in on the computer

Making a subVI

Go to the front panel

Right Click on the upper right hand icon

Select Show connector

Using the wiring tool select the section in the sub VI and then select the section on the front panel that matches

To make an array

Rt click on the box on the gray box

Create

Fourier transformations