Reactance Chart 
Written by Bryce Ringwood  
This program provides a means of determining the resonant frequency or the capacitance or the inductance of a tuned circuit. UsesUsed to calculate inductance value for radio receiver coils. Capacitance and frequency are usually known. Use for crystal set design.
Data Entry SectionEnter the unknown quantity as zero. Press "Calculate" Button to get the third quantity. Units now use the SI suffixes. Example: 1250 can be entered as 1.25k etc Additional ResultsTheoryEnergy in an inductor is stored inside its magnetic field. Energy in a capacitor is stored in its dielectric  the material between the capacitor plates. The tuned circuitworks by swapping energy between the inductor and capactor at the resonant frequency.. Formulae
ReferencesHorowitz P, Hill W "The Art of Electronics"  Cambridge University Press, 1988 pp 3334
