This is a fully featured Electrical Calculator contain essential tools for electric calculations :- 1- color code resistance calculator just tap bars to simulate your resistance and get it's value. 2- Resistance calculator : in this mode you can calculate complex parallel and series expressions. 3- Ohms mode : calculate voltage, current, resistance and power . 4- RMS mode : calculate average, peak, p-p, and RMS of several signals . 5- Decibel mode : calculate and convert form decibel power and voltage and reverse . v 1.01 update some errors in calculations solved