Structure charts show how variables pass between modules in a computer
program. They show the hierarchy of module calls.
If you haven't already done so, first download the
version of RFFlow. It will allow you to open any chart and make
Once RFFlow is installed, you can open the above chart in RFFlow by clicking
From there you can zoom in, edit, and print this sample chart. It is often
easier to modify an existing chart than to draw it from scratch.
To draw this chart without downloading it, run RFFlow and click on the More
button. Scroll to the Software Design
folder and click the plus sign to open it.
Click the Structure Charts
stencil and then click the Add Stencil