1) An EXCEL spreadsheet which calculates proper values for Pi-net and Pi-L net components; capacitance and inductance. This spreadsheet comes to us courtesy of Mr. Ronald Baggs, K6ZJY. Thanks, Ron !!! :-)

2) The Shure paper calculator. Use this for 1) resonance problems, and 2) for capacitance and inductive reactance problems. Print all four sides on a color printer to the size you want, cut out, and glue together. You can print it on standard typewriter paper and glue it to heavy card stock if your printer can't handle the card stock directly.

3) The Allied paper calculator. Use this one for RF Resonance and Coil Winding. Use this one as above.

These paper calculators are quite accurate for quick work and work very well. We will add more as they become available. These calculators were provided courtesy of Sandy Blaize, W5TVW.