Download Ohms Law Calc 2, Calculate electric Voltage, Resistance, Current and Wattage. Formulas combining different input parameters for each unit and gives the easy way to change the magnitude of each one in accordance with the Ohm’s Law. Resistor Color Codes Scheme – in this version you can easy calculate the value of the resistor by it’s color codes. Version 2 code and GUI optimization, second user interface language, added new module and Resistor Color code Scheme.
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.