ideal-Z is a simple impedance calculator with graphical schematic entry. Drop components onto the schematic, connect them, set values, and the impedance is calculated instantaneously. Download here (Windows).
Thank you.

 

Any other products from sidelinesoft you would like to promote?

 

Not yet. Anything wrong with promoting free useful software?

 

Not yet. Anything wrong with promoting free useful software?

Not at all, but your track record is only those from sidelinesoft, not free in general....

 

Sorry, I'm not sure what you are talking about. "Sidelinesoft" is me, there are 3 programs I made, one (NL5) is commercial with free full-functional demo (20 components max) and free student license, and other two are free. (...oops, looks like promoting again )