Perform Various Electrical and Electronics Engineering calculations that involves Star to Delta, Delta to Star, series and parallel resistors equivalent, Series and parallel Capacitors equivalent,3 Band Resistor color code , 4 Band Resistor color code, Decimal to Binary Convertion, Voltage division rule, Voltage division rule with load circuit, 555 ic timer R1,R2,C1 values, RLC series resonance frequency by this calculator. The main objective of this calculator is to help students, professionals and researchers to perform or verify the results of such calculations to save their time in the field of Research and Engineering.Star to Delta Conversion, Delta to Star Conversion,Series and parallel Resistors equivalent, Series and parallel Capacitors equivalent, 3 Band Resistor color code ,4 Band Resistor color code, Decimal to Binary Conversion, Voltage division rule, Voltage division rule with load circuit, 555 ic timer Calculations,RLC series resonance frequency.Star to Delta transformation,Delta to star transformation,Series Resistance equivalent calculator,Parallel Resistance equivalent calculator,Series Capacitors equivalent calculator,Parallel Capacitors equivalent calculator,Resistor Value 3 Band,Resistor Value 4 Band,Decimal Number system to Binary number system,Voltage Divider Circuit,Voltage Divider Circuit with load,IC 555 timer Calculations,RLC series resonance frequency Calculator.We are working on to improve performance and Calculations for next version.