This is a free version that contains advertising. You can buy Google Play the full version to support the developer and get rid of advertising banners. The app includes: Ohm's law for DC Ohm's law for AC LC Resonance Y-Δ Transformation Electrical Energy Current Density Ideal transformer AC circuits Connection of capacitors Capacitive reactance Run a 3 phase motor on a single phase Capacitive Voltage Divider Capacitor Charge / Energy Calculator Calculation of discharge time of capacitors Connection of resistors Voltage divider LED Resistor Decode the color bands resistors Encode the color bands resistors Wheatstone Bridge Calculator Decode alphanumeric value Encode alphanumeric value Conductor Resistance Conductor length Conductor size Voltage drop Electrical resistivity and conductivity Maximum length of conductor Calculate Amps Calculate Power Calculate kVA (3 Phase) Calculate Power Factor(3 Phase) Calculate efficiency Calculate of the motor slip Calculate motor torque Individual compensation three-phase induction motors Calculate motor power for centrifugal pump Calculate motor power for piston compressor Calculate motor power for the fan Three-Phase Motor Voltage Unbalance Three-Phase Motor Current Unbalance Allowable ampacities for wire (NEC,IEC,CEC,PUE) Wire Size Calculator(NEC,IEC,CEC,PUE) Motor protection(PUE) Maximum circuit conductor length(NEC,IEC,CEC,PUE) Maximum circuit ampacity(NEC,IEC,CEC,PUE) Conduit Fill Calculator(NEC) Minimum levels of short-circuit current Short-circuit current at the secondary terminals of a MV/LV distribution transformer Calculate fuse Power of heating element Heating Element use Nichrome Leakage current Calculation sizing a generator for your home IP Code Appliance classes Force of an Electromagnet Electricity Cost Calculator Calculation of electrical loads applying demand factor UPS Battery size calculator UPS Battery runtime calculator Generator short circuit fault current Conversion Wire sizes Conversion VA-W-VAr and calculate Reactive Power Compensation Conversion cos(φ)-sin(φ)-tg(φ) AWG Conversions Conversion of units of temperature Conversion distance Conversion units of pressure Conversion units of flow Conversion units of volume Conversion voltage Conversion units of energy Conversion SI prefixes Conversion Weight Time Units Conversion Power Units Conversion Calculate number cables that fits in a pipe Cable Reel Capacity Length of cable on a reel Inductive reactance cable Calculate the weight of the metal in the cable Cable weight by formulas Wiring Color Codes Length of a Hanging Cable Power losses in cable