void getFetInfo(String arr[], String n) {
        arr[0] = ((pnp == -1) ? "p-" : "n-") + n;
        arr[0] += " (Vt = " + getVoltageText(pnp * vt) + ")";
        arr[1] = ((pnp == 1) ? "Ids = " : "Isd = ") + getCurrentText(ids);
        arr[2] = "Vgs = " + getVoltageText(volts[0] - volts[pnp == -1 ? 2 : 1]);
        arr[3] = ((pnp == 1) ? "Vds = " : "Vsd = ") + getVoltageText(volts[2] - volts[1]);
        arr[4] = (mode == 0) ? "off"
                : (mode == 1) ? "linear" : "saturation";
        arr[5] = "gm = " + getUnitText(gm, "A/V");
    }