The Resistor Calculator app has 2 main purposes, they are:- Find resistor value based on colors.- Find resistor colors based on their value.The calculator hopes to help students/teachers who need to check the color or value of a resistor!Operation:- Colors: Select the color of the first band, then the second band and set a multiplier.- Value: The first digit is equivalent to the first range, the second digit to the second range and then add zeros that define the multiplier.100% Paraense.