> -----Original Message-----
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Doug Hewett
> Sent: Friday, January 16, 2004 2:56 PM
>
> What kind of graph shows a step, square wave, or 'postage meter' function?
<snip>

An XY graph will show a step or square wave if you make time the X axis and,
amplitude the Y axis (like an oscilloscope).

I don't know what a 'postage meter' function is.

Paul

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