$useresistor

$useresistor is a very simple command to ask the program to add a new extra voltage according to the given resistor and current

The format is

$useresistor
R_drain  R_souce 

When this command is used, the output voltage would be

$V_{D} = V_{D} + J_{D} \times R_{drain}$
$V_{S} = V_{S} + J_{S} \times R_{source}$