A digital oscilloscope program for your sound card x*oscope is a digital oscilloscope that uses a sound card and/or Radio Shack ProbeScope (Cat. No. 22-310) as the signal input. Either or both devices may be used simultaneously." Includes memory functions, and many of the other features you expect of a digital oscope.
This program gives you all the features you need to create basic- to intermediate-level vector graphics, including bezier curves, lines, rulers, and m (Not Specified)