Original poster: tesla-at-lists.symmetric-dot-net Here is my crippled DOS (works in all versions of windows) capacitor program, I used it when I made my own caps. http://www.churchofinformationwarfare-dot-org/tesla-coil/NEWTESLA.EXE KEN > Hi guys I was wondering if any of you know a formula for calculating > capacitance that is really accurate if you could help I would be > greatful